642967656

素因数分解:

$2^3\times 3^1\times {\mathrm{26790319}}^1$

素因数の和:26790328

約数の個数: 16

約数和(自身を含む): 1607419200

約数和(自身を除く): 964451544

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 26790319, 53580638, 80370957, 107161276, 160741914, 214322552, 321483828, 642967656]

約数ペア:

[(1, 642967656), (2, 321483828), (3, 214322552), (4, 160741914), (6, 107161276), (8, 80370957), (12, 53580638), (24, 26790319)]