311356865

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 401068800

約数和(自身を除く): 89711935

約数列:

[1, 5, 23, 59, 109, 115, 295, 421, 545, 1357, 2105, 2507, 6431, 6785, 9683, 12535, 24839, 32155, 45889, 48415, 124195, 147913, 229445, 571297, 739565, 1055447, 2707451, 2856485, 5277235, 13537255, 62271373, 311356865]

約数ペア:

[(1, 311356865), (5, 62271373), (23, 13537255), (59, 5277235), (109, 2856485), (115, 2707451), (295, 1055447), (421, 739565), (545, 571297), (1357, 229445), (2105, 147913), (2507, 124195), (6431, 48415), (6785, 45889), (9683, 32155), (12535, 24839)]