291247790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{3931}}^1$

素因数の和:4208

約数の個数: 32

約数和(自身を含む): 543559680

約数和(自身を除く): 252311890

約数列:

[1, 2, 5, 10, 31, 62, 155, 239, 310, 478, 1195, 2390, 3931, 7409, 7862, 14818, 19655, 37045, 39310, 74090, 121861, 243722, 609305, 939509, 1218610, 1879018, 4697545, 9395090, 29124779, 58249558, 145623895, 291247790]

約数ペア:

[(1, 291247790), (2, 145623895), (5, 58249558), (10, 29124779), (31, 9395090), (62, 4697545), (155, 1879018), (239, 1218610), (310, 939509), (478, 609305), (1195, 243722), (2390, 121861), (3931, 74090), (7409, 39310), (7862, 37045), (14818, 19655)]