66630512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{320339}}^1$

素因数の和:320360

約数の個数: 20

約数和(自身を含む): 139027560

約数和(自身を除く): 72397048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 320339, 640678, 1281356, 2562712, 4164407, 5125424, 8328814, 16657628, 33315256, 66630512]

約数ペア:

[(1, 66630512), (2, 33315256), (4, 16657628), (8, 8328814), (13, 5125424), (16, 4164407), (26, 2562712), (52, 1281356), (104, 640678), (208, 320339)]