991985535457

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{21994757}}^1$

素因数の和:21995160

約数の個数: 16

約数和(自身を含む): 1203553157760

約数和(自身を除く): 211567622303

約数列:

[1, 7, 17, 119, 379, 2653, 6443, 45101, 21994757, 153963299, 373910869, 2617376083, 8336012903, 58352090321, 141712219351, 991985535457]

約数ペア:

[(1, 991985535457), (7, 141712219351), (17, 58352090321), (119, 8336012903), (379, 2617376083), (2653, 373910869), (6443, 153963299), (45101, 21994757)]