28975991

素因数分解:

${\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{2371}}^1$

素因数の和:2494

約数の個数: 12

約数和(自身を含む): 32178552

約数和(自身を除く): 3202561

約数列:

[1, 11, 101, 121, 1111, 2371, 12221, 26081, 239471, 286891, 2634181, 28975991]

約数ペア:

[(1, 28975991), (11, 2634181), (101, 286891), (121, 239471), (1111, 26081), (2371, 12221)]