208762578

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{163351}}^1$

素因数の和:163430

約数の個数: 24

約数和(自身を含む): 458692416

約数和(自身を除く): 249929838

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 163351, 326702, 490053, 980106, 1470159, 2940318, 11597921, 23195842, 34793763, 69587526, 104381289, 208762578]

約数ペア:

[(1, 208762578), (2, 104381289), (3, 69587526), (6, 34793763), (9, 23195842), (18, 11597921), (71, 2940318), (142, 1470159), (213, 980106), (426, 490053), (639, 326702), (1278, 163351)]