87442972

素因数分解:

$2^2\times {\mathrm{101}}^2\times {\mathrm{2143}}^1$

素因数の和:2349

約数の個数: 18

約数和(自身を含む): 154627424

約数和(自身を除く): 67184452

約数列:

[1, 2, 4, 101, 202, 404, 2143, 4286, 8572, 10201, 20402, 40804, 216443, 432886, 865772, 21860743, 43721486, 87442972]

約数ペア:

[(1, 87442972), (2, 43721486), (4, 21860743), (101, 865772), (202, 432886), (404, 216443), (2143, 40804), (4286, 20402), (8572, 10201)]