161245028

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{78887}}^1$

素因数の和:78971

約数の個数: 24

約数和(自身を含む): 326911872

約数和(自身を除く): 165666844

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 78887, 157774, 315548, 552209, 1104418, 2208836, 5758751, 11517502, 23035004, 40311257, 80622514, 161245028]

約数ペア:

[(1, 161245028), (2, 80622514), (4, 40311257), (7, 23035004), (14, 11517502), (28, 5758751), (73, 2208836), (146, 1104418), (292, 552209), (511, 315548), (1022, 157774), (2044, 78887)]