201628375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{977}}^1$

素因数の和:1132

約数の個数: 32

約数和(自身を含む): 273401856

約数和(自身を除く): 71773481

約数列:

[1, 5, 13, 25, 65, 125, 127, 325, 635, 977, 1625, 1651, 3175, 4885, 8255, 12701, 15875, 24425, 41275, 63505, 122125, 124079, 206375, 317525, 620395, 1587625, 1613027, 3101975, 8065135, 15509875, 40325675, 201628375]

約数ペア:

[(1, 201628375), (5, 40325675), (13, 15509875), (25, 8065135), (65, 3101975), (125, 1613027), (127, 1587625), (325, 620395), (635, 317525), (977, 206375), (1625, 124079), (1651, 122125), (3175, 63505), (4885, 41275), (8255, 24425), (12701, 15875)]