280180778087

素因数分解:

$7^2\times {\mathrm{103}}^1\times {\mathrm{2767}}^1\times {\mathrm{20063}}^1$

素因数の和:22947

約数の個数: 24

約数和(自身を含む): 329224237056

約数和(自身を除く): 49043458969

約数列:

[1, 7, 49, 103, 721, 2767, 5047, 19369, 20063, 135583, 140441, 285001, 983087, 1995007, 2066489, 13965049, 14465423, 55514321, 101257961, 388600247, 2720201729, 5717975063, 40025825441, 280180778087]

約数ペア:

[(1, 280180778087), (7, 40025825441), (49, 5717975063), (103, 2720201729), (721, 388600247), (2767, 101257961), (5047, 55514321), (19369, 14465423), (20063, 13965049), (135583, 2066489), (140441, 1995007), (285001, 983087)]