266467448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{18433}}^1$

素因数の和:18591

約数の個数: 32

約数和(自身を含む): 541959600

約数和(自身を除く): 275492152

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 139, 278, 556, 1112, 1807, 3614, 7228, 14456, 18433, 36866, 73732, 147464, 239629, 479258, 958516, 1917032, 2562187, 5124374, 10248748, 20497496, 33308431, 66616862, 133233724, 266467448]

約数ペア:

[(1, 266467448), (2, 133233724), (4, 66616862), (8, 33308431), (13, 20497496), (26, 10248748), (52, 5124374), (104, 2562187), (139, 1917032), (278, 958516), (556, 479258), (1112, 239629), (1807, 147464), (3614, 73732), (7228, 36866), (14456, 18433)]