22390291

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 29767680

約数和(自身を除く): 7377389

約数列:

[1, 7, 11, 29, 37, 77, 203, 259, 271, 319, 407, 1073, 1897, 2233, 2849, 2981, 7511, 7859, 10027, 11803, 20867, 55013, 70189, 82621, 86449, 110297, 290783, 605143, 772079, 2035481, 3198613, 22390291]

約数ペア:

[(1, 22390291), (7, 3198613), (11, 2035481), (29, 772079), (37, 605143), (77, 290783), (203, 110297), (259, 86449), (271, 82621), (319, 70189), (407, 55013), (1073, 20867), (1897, 11803), (2233, 10027), (2849, 7859), (2981, 7511)]