90899905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{8753}}^1$

素因数の和:8856

約数の個数: 16

約数和(自身を含む): 114292224

約数和(自身を除く): 23392319

約数列:

[1, 5, 31, 67, 155, 335, 2077, 8753, 10385, 43765, 271343, 586451, 1356715, 2932255, 18179981, 90899905]

約数ペア:

[(1, 90899905), (5, 18179981), (31, 2932255), (67, 1356715), (155, 586451), (335, 271343), (2077, 43765), (8753, 10385)]