28142296

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 128

約数和(自身を含む): 70963200

約数和(自身を除く): 42820904

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 31, 43, 52, 56, 58, 62, 86, 91, 104, 116, 124, 172, 182, 203, 217, 232, 248, 301, 344, 364, 377, 403, 406, 434, 559, 602, 728, 754, 806, 812, 868, 899, 1118, 1204, 1247, 1333, 1508, 1612, 1624, 1736, 1798, 2236, 2408, 2494, 2639, 2666, 2821, 3016, 3224, 3596, 3913, 4472, 4988, 5278, 5332, 5642, 6293, 7192, 7826, 8729, 9331, 9976, 10556, 10664, 11284, 11687, 12586, 15652, 16211, 17329, 17458, 18662, 21112, 22568, 23374, 25172, 31304, 32422, 34658, 34916, 37324, 38657, 46748, 50344, 64844, 69316, 69832, 74648, 77314, 81809, 93496, 113477, 121303, 129688, 138632, 154628, 163618, 226954, 242606, 270599, 309256, 327236, 453908, 485212, 502541, 541198, 654472, 907816, 970424, 1005082, 1082396, 2010164, 2164792, 3517787, 4020328, 7035574, 14071148, 28142296]

約数ペア:

[(1, 28142296), (2, 14071148), (4, 7035574), (7, 4020328), (8, 3517787), (13, 2164792), (14, 2010164), (26, 1082396), (28, 1005082), (29, 970424), (31, 907816), (43, 654472), (52, 541198), (56, 502541), (58, 485212), (62, 453908), (86, 327236), (91, 309256), (104, 270599), (116, 242606), (124, 226954), (172, 163618), (182, 154628), (203, 138632), (217, 129688), (232, 121303), (248, 113477), (301, 93496), (344, 81809), (364, 77314), (377, 74648), (403, 69832), (406, 69316), (434, 64844), (559, 50344), (602, 46748), (728, 38657), (754, 37324), (806, 34916), (812, 34658), (868, 32422), (899, 31304), (1118, 25172), (1204, 23374), (1247, 22568), (1333, 21112), (1508, 18662), (1612, 17458), (1624, 17329), (1736, 16211), (1798, 15652), (2236, 12586), (2408, 11687), (2494, 11284), (2639, 10664), (2666, 10556), (2821, 9976), (3016, 9331), (3224, 8729), (3596, 7826), (3913, 7192), (4472, 6293), (4988, 5642), (5278, 5332)]