900000008

素因数分解:

$2^3\times {\mathrm{12841}}^1\times {\mathrm{8761}}^1$

素因数の和:21608

約数の個数: 16

約数和(自身を含む): 1687824060

約数和(自身を除く): 787824052

約数列:

[1, 2, 4, 8, 8761, 12841, 17522, 25682, 35044, 51364, 70088, 102728, 112500001, 225000002, 450000004, 900000008]

約数ペア:

[(1, 900000008), (2, 450000004), (4, 225000002), (8, 112500001), (8761, 102728), (12841, 70088), (17522, 51364), (25682, 35044)]