81288748

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{1613}}^1$

素因数の和:1953

約数の個数: 24

約数和(自身を含む): 146150928

約数和(自身を除く): 64862180

約数列:

[1, 2, 4, 43, 86, 172, 293, 586, 1172, 1613, 3226, 6452, 12599, 25198, 50396, 69359, 138718, 277436, 472609, 945218, 1890436, 20322187, 40644374, 81288748]

約数ペア:

[(1, 81288748), (2, 40644374), (4, 20322187), (43, 1890436), (86, 945218), (172, 472609), (293, 277436), (586, 138718), (1172, 69359), (1613, 50396), (3226, 25198), (6452, 12599)]