31171738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{22621}}^1$

素因数の和:22689

約数の個数: 16

約数和(自身を含む): 51306696

約数和(自身を除く): 20134958

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 22621, 45242, 294073, 588146, 1198913, 2397826, 15585869, 31171738]

約数ペア:

[(1, 31171738), (2, 15585869), (13, 2397826), (26, 1198913), (53, 588146), (106, 294073), (689, 45242), (1378, 22621)]