981968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{4721}}^1$

素因数の和:4742

約数の個数: 20

約数和(自身を含む): 2049348

約数和(自身を除く): 1067380

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 4721, 9442, 18884, 37768, 61373, 75536, 122746, 245492, 490984, 981968]

約数ペア:

[(1, 981968), (2, 490984), (4, 245492), (8, 122746), (13, 75536), (16, 61373), (26, 37768), (52, 18884), (104, 9442), (208, 4721)]