221746421

素因数分解:

${\mathrm{13}}^2\times {\mathrm{311}}^1\times {\mathrm{4219}}^1$

素因数の和:4556

約数の個数: 12

約数和(自身を含む): 240945120

約数和(自身を除く): 19198699

約数列:

[1, 13, 169, 311, 4043, 4219, 52559, 54847, 713011, 1312109, 17057417, 221746421]

約数ペア:

[(1, 221746421), (13, 17057417), (169, 1312109), (311, 713011), (4043, 54847), (4219, 52559)]