8780135

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{839}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 13547520

約数和(自身を除く): 4767385

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 299, 455, 805, 839, 1495, 2093, 4195, 5873, 10465, 10907, 19297, 29365, 54535, 76349, 96485, 135079, 250861, 381745, 675395, 1254305, 1756027, 8780135]

約数ペア:

[(1, 8780135), (5, 1756027), (7, 1254305), (13, 675395), (23, 381745), (35, 250861), (65, 135079), (91, 96485), (115, 76349), (161, 54535), (299, 29365), (455, 19297), (805, 10907), (839, 10465), (1495, 5873), (2093, 4195)]