85007405

素因数分解:

$5^1\times 7^4\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:203

約数の個数: 40

約数和(自身を含む): 121877112

約数和(自身を除く): 36869707

約数列:

[1, 5, 7, 35, 49, 73, 97, 245, 343, 365, 485, 511, 679, 1715, 2401, 2555, 3395, 3577, 4753, 7081, 12005, 17885, 23765, 25039, 33271, 35405, 49567, 125195, 166355, 175273, 232897, 247835, 346969, 876365, 1164485, 1734845, 2428783, 12143915, 17001481, 85007405]

約数ペア:

[(1, 85007405), (5, 17001481), (7, 12143915), (35, 2428783), (49, 1734845), (73, 1164485), (97, 876365), (245, 346969), (343, 247835), (365, 232897), (485, 175273), (511, 166355), (679, 125195), (1715, 49567), (2401, 35405), (2555, 33271), (3395, 25039), (3577, 23765), (4753, 17885), (7081, 12005)]