220711000321

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{155320901}}^1$

素因数の和:155320944

約数の個数: 12

約数和(自身を含む): 265598742420

約数和(自身を除く): 44887742099

約数列:

[1, 7, 29, 49, 203, 1421, 155320901, 1087246307, 4504306129, 7610724149, 31530142903, 220711000321]

約数ペア:

[(1, 220711000321), (7, 31530142903), (29, 7610724149), (49, 4504306129), (203, 1087246307), (1421, 155320901)]