268289008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1289851}}^1$

素因数の和:1289872

約数の個数: 20

約数和(自身を含む): 559795768

約数和(自身を除く): 291506760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1289851, 2579702, 5159404, 10318808, 16768063, 20637616, 33536126, 67072252, 134144504, 268289008]

約数ペア:

[(1, 268289008), (2, 134144504), (4, 67072252), (8, 33536126), (13, 20637616), (16, 16768063), (26, 10318808), (52, 5159404), (104, 2579702), (208, 1289851)]