129188912

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{25471}}^1$

素因数の和:25796

約数の個数: 20

約数和(自身を含む): 251102976

約数和(自身を除く): 121914064

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 5072, 25471, 50942, 101884, 203768, 407536, 8074307, 16148614, 32297228, 64594456, 129188912]

約数ペア:

[(1, 129188912), (2, 64594456), (4, 32297228), (8, 16148614), (16, 8074307), (317, 407536), (634, 203768), (1268, 101884), (2536, 50942), (5072, 25471)]