7887327890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1410971}}^1$

素因数の和:1411034

約数の個数: 32

約数和(自身を含む): 15644857536

約数和(自身を除く): 7757529646

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 1410971, 2821942, 7054855, 14109710, 18342623, 36685246, 60671753, 91713115, 121343506, 183426230, 303358765, 606717530, 788732789, 1577465578, 3943663945, 7887327890]

約数ペア:

[(1, 7887327890), (2, 3943663945), (5, 1577465578), (10, 788732789), (13, 606717530), (26, 303358765), (43, 183426230), (65, 121343506), (86, 91713115), (130, 60671753), (215, 36685246), (430, 18342623), (559, 14109710), (1118, 7054855), (2795, 2821942), (5590, 1410971)]