68216538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 152917632

約数和(自身を除く): 84701094

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 83, 123, 166, 246, 249, 257, 498, 514, 533, 771, 1066, 1079, 1542, 1599, 2158, 3198, 3237, 3341, 3403, 6474, 6682, 6806, 10023, 10209, 10537, 20046, 20418, 21074, 21331, 31611, 42662, 44239, 63222, 63993, 88478, 127986, 132717, 136981, 265434, 273962, 277303, 410943, 554606, 821886, 831909, 874571, 1663818, 1749142, 2623713, 5247426, 11369423, 22738846, 34108269, 68216538]

約数ペア:

[(1, 68216538), (2, 34108269), (3, 22738846), (6, 11369423), (13, 5247426), (26, 2623713), (39, 1749142), (41, 1663818), (78, 874571), (82, 831909), (83, 821886), (123, 554606), (166, 410943), (246, 277303), (249, 273962), (257, 265434), (498, 136981), (514, 132717), (533, 127986), (771, 88478), (1066, 63993), (1079, 63222), (1542, 44239), (1599, 42662), (2158, 31611), (3198, 21331), (3237, 21074), (3341, 20418), (3403, 20046), (6474, 10537), (6682, 10209), (6806, 10023)]