243757826

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{721177}}^1$

素因数の和:721205

約数の個数: 12

約数和(自身を含む): 395926722

約数和(自身を除く): 152168896

約数列:

[1, 2, 13, 26, 169, 338, 721177, 1442354, 9375301, 18750602, 121878913, 243757826]

約数ペア:

[(1, 243757826), (2, 121878913), (13, 18750602), (26, 9375301), (169, 1442354), (338, 721177)]