78694768

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{289319}}^1$

素因数の和:289344

約数の個数: 20

約数和(自身を含む): 161440560

約数和(自身を除く): 82745792

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289319, 578638, 1157276, 2314552, 4629104, 4918423, 9836846, 19673692, 39347384, 78694768]

約数ペア:

[(1, 78694768), (2, 39347384), (4, 19673692), (8, 9836846), (16, 4918423), (17, 4629104), (34, 2314552), (68, 1157276), (136, 578638), (272, 289319)]