2015565595

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{128749}}^1$

素因数の和:128886

約数の個数: 16

約数和(自身を含む): 2521440000

約数和(自身を除く): 505874405

約数列:

[1, 5, 31, 101, 155, 505, 3131, 15655, 128749, 643745, 3991219, 13003649, 19956095, 65018245, 403113119, 2015565595]

約数ペア:

[(1, 2015565595), (5, 403113119), (31, 65018245), (101, 19956095), (155, 13003649), (505, 3991219), (3131, 643745), (15655, 128749)]