31457738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{20507}}^1$

素因数の和:20581

約数の個数: 16

約数和(自身を含む): 51680160

約数和(自身を除く): 20222422

約数列:

[1, 2, 13, 26, 59, 118, 767, 1534, 20507, 41014, 266591, 533182, 1209913, 2419826, 15728869, 31457738]

約数ペア:

[(1, 31457738), (2, 15728869), (13, 2419826), (26, 1209913), (59, 533182), (118, 266591), (767, 41014), (1534, 20507)]