22788925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^2$

素因数の和:142

約数の個数: 36

約数和(自身を含む): 31688820

約数和(自身を除く): 8899895

約数列:

[1, 5, 17, 25, 29, 43, 85, 145, 215, 425, 493, 725, 731, 1075, 1247, 1849, 2465, 3655, 6235, 9245, 12325, 18275, 21199, 31175, 31433, 46225, 53621, 105995, 157165, 268105, 529975, 785825, 911557, 1340525, 4557785, 22788925]

約数ペア:

[(1, 22788925), (5, 4557785), (17, 1340525), (25, 911557), (29, 785825), (43, 529975), (85, 268105), (145, 157165), (215, 105995), (425, 53621), (493, 46225), (725, 31433), (731, 31175), (1075, 21199), (1247, 18275), (1849, 12325), (2465, 9245), (3655, 6235)]