398808866

素因数分解:

$2^1\times {\mathrm{37}}^2\times {\mathrm{113}}^1\times {\mathrm{1289}}^1$

素因数の和:1478

約数の個数: 24

約数和(自身を含む): 620740260

約数和(自身を除く): 221931394

約数列:

[1, 2, 37, 74, 113, 226, 1289, 1369, 2578, 2738, 4181, 8362, 47693, 95386, 145657, 154697, 291314, 309394, 1764641, 3529282, 5389309, 10778618, 199404433, 398808866]

約数ペア:

[(1, 398808866), (2, 199404433), (37, 10778618), (74, 5389309), (113, 3529282), (226, 1764641), (1289, 309394), (1369, 291314), (2578, 154697), (2738, 145657), (4181, 95386), (8362, 47693)]