64786390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1489}}^1$

素因数の和:1744

約数の個数: 32

約数和(自身を含む): 123372000

約数和(自身を除く): 58585610

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 229, 458, 1145, 1489, 2290, 2978, 4351, 7445, 8702, 14890, 21755, 28291, 43510, 56582, 141455, 282910, 340981, 681962, 1704905, 3409810, 6478639, 12957278, 32393195, 64786390]

約数ペア:

[(1, 64786390), (2, 32393195), (5, 12957278), (10, 6478639), (19, 3409810), (38, 1704905), (95, 681962), (190, 340981), (229, 282910), (458, 141455), (1145, 56582), (1489, 43510), (2290, 28291), (2978, 21755), (4351, 14890), (7445, 8702)]