81011632

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{389479}}^1$

素因数の和:389500

約数の個数: 20

約数和(自身を含む): 169034320

約数和(自身を除く): 88022688

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 389479, 778958, 1557916, 3115832, 5063227, 6231664, 10126454, 20252908, 40505816, 81011632]

約数ペア:

[(1, 81011632), (2, 40505816), (4, 20252908), (8, 10126454), (13, 6231664), (16, 5063227), (26, 3115832), (52, 1557916), (104, 778958), (208, 389479)]