991773328

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:182

約数の個数: 240

約数和(自身を含む): 2577501696

約数和(自身を除く): 1585728368

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 43, 49, 52, 56, 62, 73, 86, 91, 98, 104, 112, 124, 146, 172, 182, 196, 208, 217, 248, 292, 301, 344, 364, 392, 403, 434, 496, 511, 559, 584, 602, 637, 688, 728, 784, 806, 868, 949, 1022, 1118, 1168, 1204, 1274, 1333, 1456, 1519, 1612, 1736, 1898, 2044, 2107, 2236, 2263, 2408, 2548, 2666, 2821, 3038, 3139, 3224, 3472, 3577, 3796, 3913, 4088, 4214, 4472, 4526, 4816, 5096, 5332, 5642, 6076, 6278, 6448, 6643, 7154, 7592, 7826, 8176, 8428, 8944, 9052, 9331, 10192, 10664, 11284, 12152, 12556, 13286, 14308, 15184, 15652, 15841, 16856, 17329, 18104, 18662, 19747, 21328, 21973, 22568, 24304, 25112, 26572, 27391, 28616, 29419, 31304, 31682, 33712, 34658, 36208, 37324, 39494, 40807, 43946, 45136, 46501, 50224, 53144, 54782, 57232, 58838, 62608, 63364, 65317, 69316, 74648, 78988, 81614, 87892, 93002, 97309, 106288, 109564, 110887, 117676, 121303, 126728, 130634, 138632, 149296, 153811, 157976, 163228, 175784, 186004, 194618, 205933, 219128, 221774, 235352, 242606, 253456, 261268, 277264, 285649, 307622, 315952, 326456, 351568, 372008, 389236, 411866, 438256, 443548, 470704, 485212, 522536, 571298, 615244, 652912, 681163, 744016, 778472, 823732, 849121, 887096, 970424, 1045072, 1142596, 1230488, 1265017, 1362326, 1441531, 1556944, 1647464, 1698242, 1774192, 1940848, 1999543, 2285192, 2460976, 2530034, 2724652, 2883062, 3294928, 3396484, 3999086, 4570384, 4768141, 5060068, 5449304, 5766124, 6792968, 7998172, 8855119, 9536282, 10120136, 10898608, 11532248, 13585936, 15996344, 17710238, 19072564, 20240272, 23064496, 31992688, 35420476, 38145128, 61985833, 70840952, 76290256, 123971666, 141681904, 247943332, 495886664, 991773328]

約数ペア:

[(1, 991773328), (2, 495886664), (4, 247943332), (7, 141681904), (8, 123971666), (13, 76290256), (14, 70840952), (16, 61985833), (26, 38145128), (28, 35420476), (31, 31992688), (43, 23064496), (49, 20240272), (52, 19072564), (56, 17710238), (62, 15996344), (73, 13585936), (86, 11532248), (91, 10898608), (98, 10120136), (104, 9536282), (112, 8855119), (124, 7998172), (146, 6792968), (172, 5766124), (182, 5449304), (196, 5060068), (208, 4768141), (217, 4570384), (248, 3999086), (292, 3396484), (301, 3294928), (344, 2883062), (364, 2724652), (392, 2530034), (403, 2460976), (434, 2285192), (496, 1999543), (511, 1940848), (559, 1774192), (584, 1698242), (602, 1647464), (637, 1556944), (688, 1441531), (728, 1362326), (784, 1265017), (806, 1230488), (868, 1142596), (949, 1045072), (1022, 970424), (1118, 887096), (1168, 849121), (1204, 823732), (1274, 778472), (1333, 744016), (1456, 681163), (1519, 652912), (1612, 615244), (1736, 571298), (1898, 522536), (2044, 485212), (2107, 470704), (2236, 443548), (2263, 438256), (2408, 411866), (2548, 389236), (2666, 372008), (2821, 351568), (3038, 326456), (3139, 315952), (3224, 307622), (3472, 285649), (3577, 277264), (3796, 261268), (3913, 253456), (4088, 242606), (4214, 235352), (4472, 221774), (4526, 219128), (4816, 205933), (5096, 194618), (5332, 186004), (5642, 175784), (6076, 163228), (6278, 157976), (6448, 153811), (6643, 149296), (7154, 138632), (7592, 130634), (7826, 126728), (8176, 121303), (8428, 117676), (8944, 110887), (9052, 109564), (9331, 106288), (10192, 97309), (10664, 93002), (11284, 87892), (12152, 81614), (12556, 78988), (13286, 74648), (14308, 69316), (15184, 65317), (15652, 63364), (15841, 62608), (16856, 58838), (17329, 57232), (18104, 54782), (18662, 53144), (19747, 50224), (21328, 46501), (21973, 45136), (22568, 43946), (24304, 40807), (25112, 39494), (26572, 37324), (27391, 36208), (28616, 34658), (29419, 33712), (31304, 31682)]