64938385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 85726080

約数和(自身を除く): 20787695

約数列:

[1, 5, 17, 43, 85, 109, 163, 215, 545, 731, 815, 1853, 2771, 3655, 4687, 7009, 9265, 13855, 17767, 23435, 35045, 79679, 88835, 119153, 302039, 398395, 595765, 763981, 1510195, 3819905, 12987677, 64938385]

約数ペア:

[(1, 64938385), (5, 12987677), (17, 3819905), (43, 1510195), (85, 763981), (109, 595765), (163, 398395), (215, 302039), (545, 119153), (731, 88835), (815, 79679), (1853, 35045), (2771, 23435), (3655, 17767), (4687, 13855), (7009, 9265)]