407420447

素因数分解:

$7^2\times {\mathrm{1823}}^1\times {\mathrm{4561}}^1$

素因数の和:6398

約数の個数: 12

約数和(自身を含む): 474302016

約数和(自身を除く): 66881569

約数列:

[1, 7, 49, 1823, 4561, 12761, 31927, 89327, 223489, 8314703, 58202921, 407420447]

約数ペア:

[(1, 407420447), (7, 58202921), (49, 8314703), (1823, 223489), (4561, 89327), (12761, 31927)]