201990428507

素因数分解:

$7^2\times {\mathrm{151}}^1\times {\mathrm{27299693}}^1$

素因数の和:27299858

約数の個数: 12

約数和(自身を含む): 236524548816

約数和(自身を除く): 34534120309

約数列:

[1, 7, 49, 151, 1057, 7399, 27299693, 191097851, 1337684957, 4122253643, 28855775501, 201990428507]

約数ペア:

[(1, 201990428507), (7, 28855775501), (49, 4122253643), (151, 1337684957), (1057, 191097851), (7399, 27299693)]