7991335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 11151360

約数和(自身を除く): 3160025

約数列:

[1, 5, 11, 31, 43, 55, 109, 155, 215, 341, 473, 545, 1199, 1333, 1705, 2365, 3379, 4687, 5995, 6665, 14663, 16895, 23435, 37169, 51557, 73315, 145297, 185845, 257785, 726485, 1598267, 7991335]

約数ペア:

[(1, 7991335), (5, 1598267), (11, 726485), (31, 257785), (43, 185845), (55, 145297), (109, 73315), (155, 51557), (215, 37169), (341, 23435), (473, 16895), (545, 14663), (1199, 6665), (1333, 5995), (1705, 4687), (2365, 3379)]