28876225

素因数分解:

$5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1051}}^1$

素因数の和:1225

約数の個数: 24

約数和(自身を含む): 41221568

約数和(自身を除く): 12345343

約数列:

[1, 5, 7, 25, 35, 157, 175, 785, 1051, 1099, 3925, 5255, 5495, 7357, 26275, 27475, 36785, 165007, 183925, 825035, 1155049, 4125175, 5775245, 28876225]

約数ペア:

[(1, 28876225), (5, 5775245), (7, 4125175), (25, 1155049), (35, 825035), (157, 183925), (175, 165007), (785, 36785), (1051, 27475), (1099, 26275), (3925, 7357), (5255, 5495)]