399403718

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{9551}}^1$

素因数の和:9692

約数の個数: 32

約数和(自身を含む): 715253760

約数和(自身を除く): 315850042

約数列:

[1, 2, 7, 14, 29, 58, 103, 203, 206, 406, 721, 1442, 2987, 5974, 9551, 19102, 20909, 41818, 66857, 133714, 276979, 553958, 983753, 1938853, 1967506, 3877706, 6886271, 13772542, 28528837, 57057674, 199701859, 399403718]

約数ペア:

[(1, 399403718), (2, 199701859), (7, 57057674), (14, 28528837), (29, 13772542), (58, 6886271), (103, 3877706), (203, 1967506), (206, 1938853), (406, 983753), (721, 553958), (1442, 276979), (2987, 133714), (5974, 66857), (9551, 41818), (19102, 20909)]