1638232705

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{727}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 2066448384

約数和(自身を除く): 428215679

約数列:

[1, 5, 43, 47, 215, 223, 235, 727, 1115, 2021, 3635, 9589, 10105, 10481, 31261, 34169, 47945, 52405, 156305, 162121, 170845, 450683, 810605, 1469267, 2253415, 6971203, 7346335, 7619687, 34856015, 38098435, 327646541, 1638232705]

約数ペア:

[(1, 1638232705), (5, 327646541), (43, 38098435), (47, 34856015), (215, 7619687), (223, 7346335), (235, 6971203), (727, 2253415), (1115, 1469267), (2021, 810605), (3635, 450683), (9589, 170845), (10105, 162121), (10481, 156305), (31261, 52405), (34169, 47945)]