131437310

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{215471}}^1$

素因数の和:215539

約数の個数: 16

約数和(自身を含む): 240466752

約数和(自身を除く): 109029442

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 215471, 430942, 1077355, 2154710, 13143731, 26287462, 65718655, 131437310]

約数ペア:

[(1, 131437310), (2, 65718655), (5, 26287462), (10, 13143731), (61, 2154710), (122, 1077355), (305, 430942), (610, 215471)]