397880441

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{2713}}^1$

素因数の和:2841

約数の個数: 24

約数和(自身を含む): 480801384

約数和(自身を除く): 82920943

約数列:

[1, 7, 41, 49, 73, 287, 511, 2009, 2713, 2993, 3577, 18991, 20951, 111233, 132937, 146657, 198049, 778631, 1386343, 5450417, 8120009, 9704401, 56840063, 397880441]

約数ペア:

[(1, 397880441), (7, 56840063), (41, 9704401), (49, 8120009), (73, 5450417), (287, 1386343), (511, 778631), (2009, 198049), (2713, 146657), (2993, 132937), (3577, 111233), (18991, 20951)]