222172013

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{19949}}^1$

素因数の和:20036

約数の個数: 16

約数和(自身を含む): 266851200

約数和(自身を除く): 44679187

約数列:

[1, 7, 37, 43, 259, 301, 1591, 11137, 19949, 139643, 738113, 857807, 5166791, 6004649, 31738859, 222172013]

約数ペア:

[(1, 222172013), (7, 31738859), (37, 6004649), (43, 5166791), (259, 857807), (301, 738113), (1591, 139643), (11137, 19949)]