1520700415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1\times {\mathrm{911}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 2004371712

約数和(自身を除く): 483671297

約数列:

[1, 5, 13, 61, 65, 305, 421, 793, 911, 2105, 3965, 4555, 5473, 11843, 25681, 27365, 55571, 59215, 128405, 277855, 333853, 383531, 722423, 1669265, 1917655, 3612115, 4985903, 23395391, 24929515, 116976955, 304140083, 1520700415]

約数ペア:

[(1, 1520700415), (5, 304140083), (13, 116976955), (61, 24929515), (65, 23395391), (305, 4985903), (421, 3612115), (793, 1917655), (911, 1669265), (2105, 722423), (3965, 383531), (4555, 333853), (5473, 277855), (11843, 128405), (25681, 59215), (27365, 55571)]