81858518

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{1579}}^1$

素因数の和:1641

約数の個数: 36

約数和(自身を含む): 149409540

約数和(自身を除く): 67551022

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 529, 1058, 1127, 1579, 2254, 3158, 3703, 7406, 11053, 22106, 25921, 36317, 51842, 72634, 77371, 154742, 254219, 508438, 835291, 1670582, 1779533, 3559066, 5847037, 11694074, 40929259, 81858518]

約数ペア:

[(1, 81858518), (2, 40929259), (7, 11694074), (14, 5847037), (23, 3559066), (46, 1779533), (49, 1670582), (98, 835291), (161, 508438), (322, 254219), (529, 154742), (1058, 77371), (1127, 72634), (1579, 51842), (2254, 36317), (3158, 25921), (3703, 22106), (7406, 11053)]