8420464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{40483}}^1$

素因数の和:40504

約数の個数: 20

約数和(自身を含む): 17570056

約数和(自身を除く): 9149592

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 40483, 80966, 161932, 323864, 526279, 647728, 1052558, 2105116, 4210232, 8420464]

約数ペア:

[(1, 8420464), (2, 4210232), (4, 2105116), (8, 1052558), (13, 647728), (16, 526279), (26, 323864), (52, 161932), (104, 80966), (208, 40483)]