64892740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{17351}}^1$

素因数の和:17388

約数の個数: 48

約数和(自身を含む): 157417344

約数和(自身を除く): 92524604

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 17351, 34702, 69404, 86755, 173510, 190861, 294967, 347020, 381722, 589934, 763444, 954305, 1179868, 1474835, 1908610, 2949670, 3244637, 3817220, 5899340, 6489274, 12978548, 16223185, 32446370, 64892740]

約数ペア:

[(1, 64892740), (2, 32446370), (4, 16223185), (5, 12978548), (10, 6489274), (11, 5899340), (17, 3817220), (20, 3244637), (22, 2949670), (34, 1908610), (44, 1474835), (55, 1179868), (68, 954305), (85, 763444), (110, 589934), (170, 381722), (187, 347020), (220, 294967), (340, 190861), (374, 173510), (748, 86755), (935, 69404), (1870, 34702), (3740, 17351)]