990957142

素因数分解:

$2^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{317411}}^1$

素因数の和:317643

約数の個数: 16

約数和(自身を含む): 1706406912

約数和(自身を除く): 715449770

約数列:

[1, 2, 7, 14, 223, 446, 1561, 3122, 317411, 634822, 2221877, 4443754, 70782653, 141565306, 495478571, 990957142]

約数ペア:

[(1, 990957142), (2, 495478571), (7, 141565306), (14, 70782653), (223, 4443754), (446, 2221877), (1561, 634822), (3122, 317411)]