12742288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61261}}^1$

素因数の和:61282

約数の個数: 20

約数和(自身を含む): 26587708

約数和(自身を除く): 13845420

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 61261, 122522, 245044, 490088, 796393, 980176, 1592786, 3185572, 6371144, 12742288]

約数ペア:

[(1, 12742288), (2, 6371144), (4, 3185572), (8, 1592786), (13, 980176), (16, 796393), (26, 490088), (52, 245044), (104, 122522), (208, 61261)]