85654925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 36

約数和(自身を含む): 116192340

約数和(自身を除く): 30537415

約数列:

[1, 5, 17, 25, 43, 85, 109, 215, 425, 545, 731, 1075, 1849, 1853, 2725, 3655, 4687, 9245, 9265, 18275, 23435, 31433, 46225, 46325, 79679, 117175, 157165, 201541, 398395, 785825, 1007705, 1991975, 3426197, 5038525, 17130985, 85654925]

約数ペア:

[(1, 85654925), (5, 17130985), (17, 5038525), (25, 3426197), (43, 1991975), (85, 1007705), (109, 785825), (215, 398395), (425, 201541), (545, 157165), (731, 117175), (1075, 79679), (1849, 46325), (1853, 46225), (2725, 31433), (3655, 23435), (4687, 18275), (9245, 9265)]