90941893

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 109928832

約数和(自身を除く): 18986939

約数列:

[1, 7, 37, 49, 103, 259, 487, 721, 1813, 3409, 3811, 5047, 18019, 23863, 26677, 50161, 126133, 186739, 351127, 882931, 1855957, 2457889, 12991699, 90941893]

約数ペア:

[(1, 90941893), (7, 12991699), (37, 2457889), (49, 1855957), (103, 882931), (259, 351127), (487, 186739), (721, 126133), (1813, 50161), (3409, 26677), (3811, 23863), (5047, 18019)]