641261656

素因数分解:

$2^3\times 7^1\times {\mathrm{11451101}}^1$

素因数の和:11451114

約数の個数: 16

約数和(自身を含む): 1374132240

約数和(自身を除く): 732870584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 11451101, 22902202, 45804404, 80157707, 91608808, 160315414, 320630828, 641261656]

約数ペア:

[(1, 641261656), (2, 320630828), (4, 160315414), (7, 91608808), (8, 80157707), (14, 45804404), (28, 22902202), (56, 11451101)]