1640331256

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{10791653}}^1$

素因数の和:10791678

約数の個数: 16

約数和(自身を含む): 3237496200

約数和(自身を除く): 1597164944

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 10791653, 21583306, 43166612, 86333224, 205041407, 410082814, 820165628, 1640331256]

約数ペア:

[(1, 1640331256), (2, 820165628), (4, 410082814), (8, 205041407), (19, 86333224), (38, 43166612), (76, 21583306), (152, 10791653)]