31804786

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{1289}}^1$

素因数の和:1390

約数の個数: 24

約数和(自身を含む): 52407540

約数和(自身を除く): 20602754

約数列:

[1, 2, 13, 26, 73, 146, 169, 338, 949, 1289, 1898, 2578, 12337, 16757, 24674, 33514, 94097, 188194, 217841, 435682, 1223261, 2446522, 15902393, 31804786]

約数ペア:

[(1, 31804786), (2, 15902393), (13, 2446522), (26, 1223261), (73, 435682), (146, 217841), (169, 188194), (338, 94097), (949, 33514), (1289, 24674), (1898, 16757), (2578, 12337)]