31787418

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 73180800

約数和(自身を除く): 41393382

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 89, 114, 178, 241, 247, 267, 482, 494, 534, 723, 741, 1157, 1446, 1482, 1691, 2314, 3133, 3382, 3471, 4579, 5073, 6266, 6942, 9158, 9399, 10146, 13737, 18798, 21449, 21983, 27474, 42898, 43966, 59527, 64347, 65949, 119054, 128694, 131898, 178581, 278837, 357162, 407531, 557674, 815062, 836511, 1222593, 1673022, 2445186, 5297903, 10595806, 15893709, 31787418]

約数ペア:

[(1, 31787418), (2, 15893709), (3, 10595806), (6, 5297903), (13, 2445186), (19, 1673022), (26, 1222593), (38, 836511), (39, 815062), (57, 557674), (78, 407531), (89, 357162), (114, 278837), (178, 178581), (241, 131898), (247, 128694), (267, 119054), (482, 65949), (494, 64347), (534, 59527), (723, 43966), (741, 42898), (1157, 27474), (1446, 21983), (1482, 21449), (1691, 18798), (2314, 13737), (3133, 10146), (3382, 9399), (3471, 9158), (4579, 6942), (5073, 6266)]