640686656

素因数分解:

$2^6\times {\mathrm{1913}}^1\times {\mathrm{5233}}^1$

素因数の和:7158

約数の個数: 28

約数和(自身を含む): 1272270252

約数和(自身を除く): 631583596

約数列:

[1, 2, 4, 8, 16, 32, 64, 1913, 3826, 5233, 7652, 10466, 15304, 20932, 30608, 41864, 61216, 83728, 122432, 167456, 334912, 10010729, 20021458, 40042916, 80085832, 160171664, 320343328, 640686656]

約数ペア:

[(1, 640686656), (2, 320343328), (4, 160171664), (8, 80085832), (16, 40042916), (32, 20021458), (64, 10010729), (1913, 334912), (3826, 167456), (5233, 122432), (7652, 83728), (10466, 61216), (15304, 41864), (20932, 30608)]