13020385

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 19215360

約数和(自身を除く): 6194975

約数列:

[1, 5, 7, 17, 35, 79, 85, 119, 277, 395, 553, 595, 1343, 1385, 1939, 2765, 4709, 6715, 9401, 9695, 21883, 23545, 32963, 47005, 109415, 153181, 164815, 372011, 765905, 1860055, 2604077, 13020385]

約数ペア:

[(1, 13020385), (5, 2604077), (7, 1860055), (17, 765905), (35, 372011), (79, 164815), (85, 153181), (119, 109415), (277, 47005), (395, 32963), (553, 23545), (595, 21883), (1343, 9695), (1385, 9401), (1939, 6715), (2765, 4709)]