87376998214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{20160821}}^1$

素因数の和:20161031

約数の個数: 16

約数和(自身を含む): 143706339216

約数和(自身を除く): 56329341002

約数列:

[1, 2, 11, 22, 197, 394, 2167, 4334, 20160821, 40321642, 221769031, 443538062, 3971681737, 7943363474, 43688499107, 87376998214]

約数ペア:

[(1, 87376998214), (2, 43688499107), (11, 7943363474), (22, 3971681737), (197, 443538062), (394, 221769031), (2167, 40321642), (4334, 20160821)]