64645490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71039}}^1$

素因数の和:71066

約数の個数: 32

約数和(自身を含む): 143216640

約数和(自身を除く): 78571150

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 71039, 142078, 355195, 497273, 710390, 923507, 994546, 1847014, 2486365, 4617535, 4972730, 6464549, 9235070, 12929098, 32322745, 64645490]

約数ペア:

[(1, 64645490), (2, 32322745), (5, 12929098), (7, 9235070), (10, 6464549), (13, 4972730), (14, 4617535), (26, 2486365), (35, 1847014), (65, 994546), (70, 923507), (91, 710390), (130, 497273), (182, 355195), (455, 142078), (910, 71039)]