81180442

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{156719}}^1$

素因数の和:156765

約数の個数: 16

約数和(自身を含む): 142928640

約数和(自身を除く): 61748198

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 156719, 313438, 1097033, 2194066, 5798603, 11597206, 40590221, 81180442]

約数ペア:

[(1, 81180442), (2, 40590221), (7, 11597206), (14, 5798603), (37, 2194066), (74, 1097033), (259, 313438), (518, 156719)]