31780238

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{22039}}^1$

素因数の和:22151

約数の個数: 16

約数和(自身を含む): 55011840

約数和(自身を除く): 23231602

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 22039, 44078, 154273, 308546, 2270017, 4540034, 15890119, 31780238]

約数ペア:

[(1, 31780238), (2, 15890119), (7, 4540034), (14, 2270017), (103, 308546), (206, 154273), (721, 44078), (1442, 22039)]