16203421

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1297}}^1$

素因数の和:1372

約数の個数: 12

約数和(自身を含む): 18044796

約数和(自身を除く): 1841375

約数列:

[1, 13, 31, 403, 961, 1297, 12493, 16861, 40207, 522691, 1246417, 16203421]

約数ペア:

[(1, 16203421), (13, 1246417), (31, 522691), (403, 40207), (961, 16861), (1297, 12493)]