28920424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 62092800

約数和(自身を除く): 33172376

約数列:

[1, 2, 4, 8, 13, 26, 29, 43, 52, 58, 86, 104, 116, 172, 223, 232, 344, 377, 446, 559, 754, 892, 1118, 1247, 1508, 1784, 2236, 2494, 2899, 3016, 4472, 4988, 5798, 6467, 9589, 9976, 11596, 12934, 16211, 19178, 23192, 25868, 32422, 38356, 51736, 64844, 76712, 84071, 124657, 129688, 168142, 249314, 278081, 336284, 498628, 556162, 672568, 997256, 1112324, 2224648, 3615053, 7230106, 14460212, 28920424]

約数ペア:

[(1, 28920424), (2, 14460212), (4, 7230106), (8, 3615053), (13, 2224648), (26, 1112324), (29, 997256), (43, 672568), (52, 556162), (58, 498628), (86, 336284), (104, 278081), (116, 249314), (172, 168142), (223, 129688), (232, 124657), (344, 84071), (377, 76712), (446, 64844), (559, 51736), (754, 38356), (892, 32422), (1118, 25868), (1247, 23192), (1508, 19178), (1784, 16211), (2236, 12934), (2494, 11596), (2899, 9976), (3016, 9589), (4472, 6467), (4988, 5798)]