1222657018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{211313}}^1$

素因数の和:211589

約数の個数: 16

約数和(自身を含む): 2008328256

約数和(自身を除く): 785671238

約数列:

[1, 2, 11, 22, 263, 526, 2893, 5786, 211313, 422626, 2324443, 4648886, 55575319, 111150638, 611328509, 1222657018]

約数ペア:

[(1, 1222657018), (2, 611328509), (11, 111150638), (22, 55575319), (263, 4648886), (526, 2324443), (2893, 422626), (5786, 211313)]