31993026

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 71850240

約数和(自身を除く): 39857214

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 71, 78, 106, 109, 142, 159, 213, 218, 318, 327, 426, 654, 689, 923, 1378, 1417, 1846, 2067, 2769, 2834, 3763, 4134, 4251, 5538, 5777, 7526, 7739, 8502, 11289, 11554, 15478, 17331, 22578, 23217, 34662, 46434, 48919, 75101, 97838, 100607, 146757, 150202, 201214, 225303, 293514, 301821, 410167, 450606, 603642, 820334, 1230501, 2461002, 5332171, 10664342, 15996513, 31993026]

約数ペア:

[(1, 31993026), (2, 15996513), (3, 10664342), (6, 5332171), (13, 2461002), (26, 1230501), (39, 820334), (53, 603642), (71, 450606), (78, 410167), (106, 301821), (109, 293514), (142, 225303), (159, 201214), (213, 150202), (218, 146757), (318, 100607), (327, 97838), (426, 75101), (654, 48919), (689, 46434), (923, 34662), (1378, 23217), (1417, 22578), (1846, 17331), (2067, 15478), (2769, 11554), (2834, 11289), (3763, 8502), (4134, 7739), (4251, 7526), (5538, 5777)]