42630838

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{991}}^1$

素因数の和:1287

約数の個数: 16

約数和(自身を含む): 64888704

約数和(自身を除く): 22257866

約数列:

[1, 2, 137, 157, 274, 314, 991, 1982, 21509, 43018, 135767, 155587, 271534, 311174, 21315419, 42630838]

約数ペア:

[(1, 42630838), (2, 21315419), (137, 311174), (157, 271534), (274, 155587), (314, 135767), (991, 43018), (1982, 21509)]