2894155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 3833568

約数和(自身を除く): 939413

約数列:

[1, 5, 11, 55, 101, 505, 521, 1111, 2605, 5555, 5731, 28655, 52621, 263105, 578831, 2894155]

約数ペア:

[(1, 2894155), (5, 578831), (11, 263105), (55, 52621), (101, 28655), (505, 5731), (521, 5555), (1111, 2605)]