39171665

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 51403968

約数和(自身を除く): 12232303

約数列:

[1, 5, 13, 65, 151, 169, 307, 755, 845, 1535, 1963, 3991, 9815, 19955, 25519, 46357, 51883, 127595, 231785, 259415, 602641, 3013205, 7834333, 39171665]

約数ペア:

[(1, 39171665), (5, 7834333), (13, 3013205), (65, 602641), (151, 259415), (169, 231785), (307, 127595), (755, 51883), (845, 46357), (1535, 25519), (1963, 19955), (3991, 9815)]