7681986

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 19031040

約数和(自身を除く): 11349054

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 54, 62, 78, 93, 117, 186, 234, 279, 351, 353, 403, 558, 702, 706, 806, 837, 1059, 1209, 1674, 2118, 2418, 3177, 3627, 4589, 6354, 7254, 9178, 9531, 10881, 10943, 13767, 19062, 21762, 21886, 27534, 32829, 41301, 65658, 82602, 98487, 123903, 142259, 196974, 247806, 284518, 295461, 426777, 590922, 853554, 1280331, 2560662, 3840993, 7681986]

約数ペア:

[(1, 7681986), (2, 3840993), (3, 2560662), (6, 1280331), (9, 853554), (13, 590922), (18, 426777), (26, 295461), (27, 284518), (31, 247806), (39, 196974), (54, 142259), (62, 123903), (78, 98487), (93, 82602), (117, 65658), (186, 41301), (234, 32829), (279, 27534), (351, 21886), (353, 21762), (403, 19062), (558, 13767), (702, 10943), (706, 10881), (806, 9531), (837, 9178), (1059, 7254), (1209, 6354), (1674, 4589), (2118, 3627), (2418, 3177)]