218939668

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139987}}^1$

素因数の和:140031

約数の個数: 24

約数和(自身を含む): 423323712

約数和(自身を除く): 204384044

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564, 139987, 279974, 559948, 2379779, 3219701, 4759558, 6439402, 9519116, 12878804, 54734917, 109469834, 218939668]

約数ペア:

[(1, 218939668), (2, 109469834), (4, 54734917), (17, 12878804), (23, 9519116), (34, 6439402), (46, 4759558), (68, 3219701), (92, 2379779), (391, 559948), (782, 279974), (1564, 139987)]