31980208

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{11827}}^1$

素因数の和:11861

約数の個数: 30

約数和(自身を含む): 67100244

約数和(自身を除く): 35120036

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 11827, 23654, 47308, 94616, 153751, 189232, 307502, 615004, 1230008, 1998763, 2460016, 3997526, 7995052, 15990104, 31980208]

約数ペア:

[(1, 31980208), (2, 15990104), (4, 7995052), (8, 3997526), (13, 2460016), (16, 1998763), (26, 1230008), (52, 615004), (104, 307502), (169, 189232), (208, 153751), (338, 94616), (676, 47308), (1352, 23654), (2704, 11827)]