1520155856

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{871649}}^1$

素因数の和:871766

約数の個数: 20

約数和(自身を含む): 2972326500

約数和(自身を除く): 1452170644

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 871649, 1743298, 3486596, 6973192, 13946384, 95009741, 190019482, 380038964, 760077928, 1520155856]

約数ペア:

[(1, 1520155856), (2, 760077928), (4, 380038964), (8, 190019482), (16, 95009741), (109, 13946384), (218, 6973192), (436, 3486596), (872, 1743298), (1744, 871649)]