647075216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{2378953}}^1$

素因数の和:2378978

約数の個数: 20

約数和(自身を含む): 1327456332

約数和(自身を除く): 680381116

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 2378953, 4757906, 9515812, 19031624, 38063248, 40442201, 80884402, 161768804, 323537608, 647075216]

約数ペア:

[(1, 647075216), (2, 323537608), (4, 161768804), (8, 80884402), (16, 40442201), (17, 38063248), (34, 19031624), (68, 9515812), (136, 4757906), (272, 2378953)]