12913355

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 19329408

約数和(自身を除く): 6416053

約数列:

[1, 5, 7, 13, 35, 65, 91, 101, 281, 455, 505, 707, 1313, 1405, 1967, 3535, 3653, 6565, 9191, 9835, 18265, 25571, 28381, 45955, 127855, 141905, 198667, 368953, 993335, 1844765, 2582671, 12913355]

約数ペア:

[(1, 12913355), (5, 2582671), (7, 1844765), (13, 993335), (35, 368953), (65, 198667), (91, 141905), (101, 127855), (281, 45955), (455, 28381), (505, 25571), (707, 18265), (1313, 9835), (1405, 9191), (1967, 6565), (3535, 3653)]