1287753445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{2791}}^1\times {\mathrm{8389}}^1$

素因数の和:11196

約数の個数: 16

約数和(自身を含む): 1686591360

約数和(自身を除く): 398837915

約数列:

[1, 5, 11, 55, 2791, 8389, 13955, 30701, 41945, 92279, 153505, 461395, 23413699, 117068495, 257550689, 1287753445]

約数ペア:

[(1, 1287753445), (5, 257550689), (11, 117068495), (55, 23413699), (2791, 461395), (8389, 153505), (13955, 92279), (30701, 41945)]