640164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{7621}}^1$

素因数の和:7635

約数の個数: 24

約数和(自身を含む): 1707328

約数和(自身を除く): 1067164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 7621, 15242, 22863, 30484, 45726, 53347, 91452, 106694, 160041, 213388, 320082, 640164]

約数ペア:

[(1, 640164), (2, 320082), (3, 213388), (4, 160041), (6, 106694), (7, 91452), (12, 53347), (14, 45726), (21, 30484), (28, 22863), (42, 15242), (84, 7621)]