66439945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2161}}^1$

素因数の和:2233

約数の個数: 32

約数和(自身を含む): 95889024

約数和(自身を除く): 29449079

約数列:

[1, 5, 11, 13, 43, 55, 65, 143, 215, 473, 559, 715, 2161, 2365, 2795, 6149, 10805, 23771, 28093, 30745, 92923, 118855, 140465, 309023, 464615, 1022153, 1207999, 1545115, 5110765, 6039995, 13287989, 66439945]

約数ペア:

[(1, 66439945), (5, 13287989), (11, 6039995), (13, 5110765), (43, 1545115), (55, 1207999), (65, 1022153), (143, 464615), (215, 309023), (473, 140465), (559, 118855), (715, 92923), (2161, 30745), (2365, 28093), (2795, 23771), (6149, 10805)]