2580305

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 3919104

約数和(自身を除く): 1338799

約数列:

[1, 5, 7, 13, 35, 53, 65, 91, 107, 265, 371, 455, 535, 689, 749, 1391, 1855, 3445, 3745, 4823, 5671, 6955, 9737, 24115, 28355, 39697, 48685, 73723, 198485, 368615, 516061, 2580305]

約数ペア:

[(1, 2580305), (5, 516061), (7, 368615), (13, 198485), (35, 73723), (53, 48685), (65, 39697), (91, 28355), (107, 24115), (265, 9737), (371, 6955), (455, 5671), (535, 4823), (689, 3745), (749, 3445), (1391, 1855)]