490985872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{2360509}}^1$

素因数の和:2360530

約数の個数: 20

約数和(自身を含む): 1024461340

約数和(自身を除く): 533475468

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 2360509, 4721018, 9442036, 18884072, 30686617, 37768144, 61373234, 122746468, 245492936, 490985872]

約数ペア:

[(1, 490985872), (2, 245492936), (4, 122746468), (8, 61373234), (13, 37768144), (16, 30686617), (26, 18884072), (52, 9442036), (104, 4721018), (208, 2360509)]