8490895

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 12249216

約数和(自身を除く): 3758321

約数列:

[1, 5, 7, 35, 41, 61, 97, 205, 287, 305, 427, 485, 679, 1435, 2135, 2501, 3395, 3977, 5917, 12505, 17507, 19885, 27839, 29585, 41419, 87535, 139195, 207095, 242597, 1212985, 1698179, 8490895]

約数ペア:

[(1, 8490895), (5, 1698179), (7, 1212985), (35, 242597), (41, 207095), (61, 139195), (97, 87535), (205, 41419), (287, 29585), (305, 27839), (427, 19885), (485, 17507), (679, 12505), (1435, 5917), (2135, 3977), (2501, 3395)]