280317814

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{5381}}^1$

素因数の和:5512

約数の個数: 24

約数和(自身を含む): 488642544

約数和(自身を除く): 208324730

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 3721, 5381, 7442, 10762, 26047, 37667, 52094, 75334, 328241, 656482, 2297687, 4595374, 20022701, 40045402, 140158907, 280317814]

約数ペア:

[(1, 280317814), (2, 140158907), (7, 40045402), (14, 20022701), (61, 4595374), (122, 2297687), (427, 656482), (854, 328241), (3721, 75334), (5381, 52094), (7442, 37667), (10762, 26047)]