391121792

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{409}}^1$

素因数の和:695

約数の個数: 64

約数和(自身を含む): 809635200

約数和(自身を除く): 418513408

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 241, 248, 409, 482, 496, 818, 964, 992, 1636, 1928, 1984, 3272, 3856, 3968, 6544, 7471, 7712, 12679, 13088, 14942, 15424, 25358, 26176, 29884, 30848, 50716, 52352, 59768, 98569, 101432, 119536, 197138, 202864, 239072, 394276, 405728, 478144, 788552, 811456, 956288, 1577104, 1622912, 3055639, 3154208, 6111278, 6308416, 12222556, 12616832, 24445112, 48890224, 97780448, 195560896, 391121792]

約数ペア:

[(1, 391121792), (2, 195560896), (4, 97780448), (8, 48890224), (16, 24445112), (31, 12616832), (32, 12222556), (62, 6308416), (64, 6111278), (124, 3154208), (128, 3055639), (241, 1622912), (248, 1577104), (409, 956288), (482, 811456), (496, 788552), (818, 478144), (964, 405728), (992, 394276), (1636, 239072), (1928, 202864), (1984, 197138), (3272, 119536), (3856, 101432), (3968, 98569), (6544, 59768), (7471, 52352), (7712, 50716), (12679, 30848), (13088, 29884), (14942, 26176), (15424, 25358)]