1665021488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{8004911}}^1$

素因数の和:8004932

約数の個数: 20

約数和(自身を含む): 3474131808

約数和(自身を除く): 1809110320

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 8004911, 16009822, 32019644, 64039288, 104063843, 128078576, 208127686, 416255372, 832510744, 1665021488]

約数ペア:

[(1, 1665021488), (2, 832510744), (4, 416255372), (8, 208127686), (13, 128078576), (16, 104063843), (26, 64039288), (52, 32019644), (104, 16009822), (208, 8004911)]