161991804

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1038409}}^1$

素因数の和:1038429

約数の個数: 24

約数和(自身を含む): 407056720

約数和(自身を除く): 245064916

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1038409, 2076818, 3115227, 4153636, 6230454, 12460908, 13499317, 26998634, 40497951, 53997268, 80995902, 161991804]

約数ペア:

[(1, 161991804), (2, 80995902), (3, 53997268), (4, 40497951), (6, 26998634), (12, 13499317), (13, 12460908), (26, 6230454), (39, 4153636), (52, 3115227), (78, 2076818), (156, 1038409)]