8490565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:189

約数の個数: 32

約数和(自身を含む): 11632896

約数和(自身を除く): 3142331

約数列:

[1, 5, 17, 23, 43, 85, 101, 115, 215, 391, 505, 731, 989, 1717, 1955, 2323, 3655, 4343, 4945, 8585, 11615, 16813, 21715, 39491, 73831, 84065, 99889, 197455, 369155, 499445, 1698113, 8490565]

約数ペア:

[(1, 8490565), (5, 1698113), (17, 499445), (23, 369155), (43, 197455), (85, 99889), (101, 84065), (115, 73831), (215, 39491), (391, 21715), (505, 16813), (731, 11615), (989, 8585), (1717, 4945), (1955, 4343), (2323, 3655)]