25639658

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{1049}}^1$

素因数の和:1174

約数の個数: 24

約数和(自身を含む): 42732900

約数和(自身を除く): 17093242

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 1049, 1111, 2098, 2222, 11539, 12221, 23078, 24442, 105949, 126929, 211898, 253858, 1165439, 2330878, 12819829, 25639658]

約数ペア:

[(1, 25639658), (2, 12819829), (11, 2330878), (22, 1165439), (101, 253858), (121, 211898), (202, 126929), (242, 105949), (1049, 24442), (1111, 23078), (2098, 12221), (2222, 11539)]