389615525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^2\times {\mathrm{113}}^1$

素因数の和:342

約数の個数: 36

約数和(自身を含む): 530036388

約数和(自身を除く): 140420863

約数列:

[1, 5, 13, 25, 65, 103, 113, 325, 515, 565, 1339, 1469, 2575, 2825, 6695, 7345, 10609, 11639, 33475, 36725, 53045, 58195, 137917, 151307, 265225, 290975, 689585, 756535, 1198817, 3447925, 3782675, 5994085, 15584621, 29970425, 77923105, 389615525]

約数ペア:

[(1, 389615525), (5, 77923105), (13, 29970425), (25, 15584621), (65, 5994085), (103, 3782675), (113, 3447925), (325, 1198817), (515, 756535), (565, 689585), (1339, 290975), (1469, 265225), (2575, 151307), (2825, 137917), (6695, 58195), (7345, 53045), (10609, 36725), (11639, 33475)]