57870805

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{1381}}^1$

素因数の和:1449

約数の個数: 24

約数和(自身を含む): 76369320

約数和(自身を除く): 18498515

約数列:

[1, 5, 17, 29, 85, 145, 289, 493, 1381, 1445, 2465, 6905, 8381, 23477, 40049, 41905, 117385, 200245, 399109, 680833, 1995545, 3404165, 11574161, 57870805]

約数ペア:

[(1, 57870805), (5, 11574161), (17, 3404165), (29, 1995545), (85, 680833), (145, 399109), (289, 200245), (493, 117385), (1381, 41905), (1445, 40049), (2465, 23477), (6905, 8381)]