255835216

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:213

約数の個数: 160

約数和(自身を含む): 647458560

約数和(自身を除く): 391623344

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 52, 56, 58, 73, 83, 91, 104, 112, 116, 146, 166, 182, 203, 208, 232, 292, 332, 364, 377, 406, 464, 511, 581, 584, 664, 728, 754, 812, 949, 1022, 1079, 1162, 1168, 1328, 1456, 1508, 1624, 1898, 2044, 2117, 2158, 2324, 2407, 2639, 3016, 3248, 3796, 4088, 4234, 4316, 4648, 4814, 5278, 6032, 6059, 6643, 7553, 7592, 8176, 8468, 8632, 9296, 9628, 10556, 12118, 13286, 14819, 15106, 15184, 16849, 16936, 17264, 19256, 21112, 24236, 26572, 27521, 29638, 30212, 31291, 33698, 33872, 38512, 42224, 42413, 48472, 53144, 55042, 59276, 60424, 62582, 67396, 78767, 84826, 96944, 106288, 110084, 118552, 120848, 125164, 134792, 157534, 169652, 175711, 192647, 219037, 220168, 237104, 250328, 269584, 315068, 339304, 351422, 385294, 438074, 440336, 500656, 551369, 630136, 678608, 702844, 770588, 876148, 1102738, 1229977, 1260272, 1405688, 1541176, 1752296, 2205476, 2284243, 2459954, 2811376, 3082352, 3504592, 4410952, 4568486, 4919908, 8821904, 9136972, 9839816, 15989701, 18273944, 19679632, 31979402, 36547888, 63958804, 127917608, 255835216]

約数ペア:

[(1, 255835216), (2, 127917608), (4, 63958804), (7, 36547888), (8, 31979402), (13, 19679632), (14, 18273944), (16, 15989701), (26, 9839816), (28, 9136972), (29, 8821904), (52, 4919908), (56, 4568486), (58, 4410952), (73, 3504592), (83, 3082352), (91, 2811376), (104, 2459954), (112, 2284243), (116, 2205476), (146, 1752296), (166, 1541176), (182, 1405688), (203, 1260272), (208, 1229977), (232, 1102738), (292, 876148), (332, 770588), (364, 702844), (377, 678608), (406, 630136), (464, 551369), (511, 500656), (581, 440336), (584, 438074), (664, 385294), (728, 351422), (754, 339304), (812, 315068), (949, 269584), (1022, 250328), (1079, 237104), (1162, 220168), (1168, 219037), (1328, 192647), (1456, 175711), (1508, 169652), (1624, 157534), (1898, 134792), (2044, 125164), (2117, 120848), (2158, 118552), (2324, 110084), (2407, 106288), (2639, 96944), (3016, 84826), (3248, 78767), (3796, 67396), (4088, 62582), (4234, 60424), (4316, 59276), (4648, 55042), (4814, 53144), (5278, 48472), (6032, 42413), (6059, 42224), (6643, 38512), (7553, 33872), (7592, 33698), (8176, 31291), (8468, 30212), (8632, 29638), (9296, 27521), (9628, 26572), (10556, 24236), (12118, 21112), (13286, 19256), (14819, 17264), (15106, 16936), (15184, 16849)]