222950399

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{1811}}^1$

素因数の和:2270

約数の個数: 16

約数和(自身を含む): 261507840

約数和(自身を除く): 38557441

約数列:

[1, 7, 43, 301, 409, 1811, 2863, 12677, 17587, 77873, 123109, 545111, 740699, 5184893, 31850057, 222950399]

約数ペア:

[(1, 222950399), (7, 31850057), (43, 5184893), (301, 740699), (409, 545111), (1811, 123109), (2863, 77873), (12677, 17587)]