218505794

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 397135872

約数和(自身を除く): 178630078

約数列:

[1, 2, 13, 17, 26, 31, 34, 37, 62, 74, 221, 403, 431, 442, 481, 527, 629, 806, 862, 962, 1054, 1147, 1258, 2294, 5603, 6851, 7327, 8177, 11206, 13361, 13702, 14654, 14911, 15947, 16354, 19499, 26722, 29822, 31894, 38998, 95251, 173693, 190502, 207311, 227137, 253487, 271099, 347386, 414622, 454274, 494357, 506974, 542198, 988714, 2952781, 3524287, 5905562, 6426641, 7048574, 8404069, 12853282, 16808138, 109252897, 218505794]

約数ペア:

[(1, 218505794), (2, 109252897), (13, 16808138), (17, 12853282), (26, 8404069), (31, 7048574), (34, 6426641), (37, 5905562), (62, 3524287), (74, 2952781), (221, 988714), (403, 542198), (431, 506974), (442, 494357), (481, 454274), (527, 414622), (629, 347386), (806, 271099), (862, 253487), (962, 227137), (1054, 207311), (1147, 190502), (1258, 173693), (2294, 95251), (5603, 38998), (6851, 31894), (7327, 29822), (8177, 26722), (11206, 19499), (13361, 16354), (13702, 15947), (14654, 14911)]