80661406

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{155717}}^1$

素因数の和:155763

約数の個数: 16

約数和(自身を含む): 142014816

約数和(自身を除く): 61353410

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 155717, 311434, 1090019, 2180038, 5761529, 11523058, 40330703, 80661406]

約数ペア:

[(1, 80661406), (2, 40330703), (7, 11523058), (14, 5761529), (37, 2180038), (74, 1090019), (259, 311434), (518, 155717)]