81380908

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{78553}}^1$

素因数の和:78601

約数の個数: 24

約数和(自身を含む): 167162912

約数和(自身を除く): 85782004

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 78553, 157106, 314212, 549871, 1099742, 2199484, 2906461, 5812922, 11625844, 20345227, 40690454, 81380908]

約数ペア:

[(1, 81380908), (2, 40690454), (4, 20345227), (7, 11625844), (14, 5812922), (28, 2906461), (37, 2199484), (74, 1099742), (148, 549871), (259, 314212), (518, 157106), (1036, 78553)]