805216516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{144719}}^1$

素因数の和:144843

約数の個数: 24

約数和(自身を含む): 1531716480

約数和(自身を除く): 726499964

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 5564, 144719, 289438, 578876, 1881347, 3762694, 7525388, 15484933, 30969866, 61939732, 201304129, 402608258, 805216516]

約数ペア:

[(1, 805216516), (2, 402608258), (4, 201304129), (13, 61939732), (26, 30969866), (52, 15484933), (107, 7525388), (214, 3762694), (428, 1881347), (1391, 578876), (2782, 289438), (5564, 144719)]