209529992

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{881}}^1$

素因数の和:1062

約数の個数: 64

約数和(自身を含む): 467389440

約数和(自身を除く): 257859448

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 137, 217, 248, 274, 434, 548, 868, 881, 959, 1096, 1736, 1762, 1918, 3524, 3836, 4247, 6167, 7048, 7672, 8494, 12334, 16988, 24668, 27311, 29729, 33976, 49336, 54622, 59458, 109244, 118916, 120697, 191177, 218488, 237832, 241394, 382354, 482788, 764708, 844879, 965576, 1529416, 1689758, 3379516, 3741607, 6759032, 7483214, 14966428, 26191249, 29932856, 52382498, 104764996, 209529992]

約数ペア:

[(1, 209529992), (2, 104764996), (4, 52382498), (7, 29932856), (8, 26191249), (14, 14966428), (28, 7483214), (31, 6759032), (56, 3741607), (62, 3379516), (124, 1689758), (137, 1529416), (217, 965576), (248, 844879), (274, 764708), (434, 482788), (548, 382354), (868, 241394), (881, 237832), (959, 218488), (1096, 191177), (1736, 120697), (1762, 118916), (1918, 109244), (3524, 59458), (3836, 54622), (4247, 49336), (6167, 33976), (7048, 29729), (7672, 27311), (8494, 24668), (12334, 16988)]