1290636991

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{264529}}^1$

素因数の和:264594

約数の個数: 16

約数和(自身を含む): 1599877440

約数和(自身を除く): 309240449

約数列:

[1, 7, 17, 41, 119, 287, 697, 4879, 264529, 1851703, 4496993, 10845689, 31478951, 75919823, 184376713, 1290636991]

約数ペア:

[(1, 1290636991), (7, 184376713), (17, 75919823), (41, 31478951), (119, 10845689), (287, 4496993), (697, 1851703), (4879, 264529)]