139054864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{668533}}^1$

素因数の和:668554

約数の個数: 20

約数和(自身を含む): 290143756

約数和(自身を除く): 151088892

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 668533, 1337066, 2674132, 5348264, 8690929, 10696528, 17381858, 34763716, 69527432, 139054864]

約数ペア:

[(1, 139054864), (2, 69527432), (4, 34763716), (8, 17381858), (13, 10696528), (16, 8690929), (26, 5348264), (52, 2674132), (104, 1337066), (208, 668533)]