999979222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{745141}}^1$

素因数の和:745215

約数の個数: 16

約数和(自身を含む): 1663156944

約数和(自身を除く): 663177722

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 745141, 1490282, 8196551, 16393102, 45453601, 90907202, 499989611, 999979222]

約数ペア:

[(1, 999979222), (2, 499989611), (11, 90907202), (22, 45453601), (61, 16393102), (122, 8196551), (671, 1490282), (1342, 745141)]