15970147225

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{2210401}}^1$

素因数の和:2210445

約数の個数: 18

約数和(自身を含む): 21036395834

約数和(自身を除く): 5066248609

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 2210401, 11052005, 37576817, 55260025, 187884085, 638805889, 939420425, 3194029445, 15970147225]

約数ペア:

[(1, 15970147225), (5, 3194029445), (17, 939420425), (25, 638805889), (85, 187884085), (289, 55260025), (425, 37576817), (1445, 11052005), (7225, 2210401)]