80717238

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{640613}}^1$

素因数の和:640628

約数の個数: 24

約数和(自身を含む): 199871568

約数和(自身を除く): 119154330

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 640613, 1281226, 1921839, 3843678, 4484291, 5765517, 8968582, 11531034, 13452873, 26905746, 40358619, 80717238]

約数ペア:

[(1, 80717238), (2, 40358619), (3, 26905746), (6, 13452873), (7, 11531034), (9, 8968582), (14, 5765517), (18, 4484291), (21, 3843678), (42, 1921839), (63, 1281226), (126, 640613)]