28901075

素因数分解:

$5^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{691}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 41187840

約数和(自身を除く): 12286765

約数列:

[1, 5, 7, 25, 35, 175, 239, 691, 1195, 1673, 3455, 4837, 5975, 8365, 17275, 24185, 41825, 120925, 165149, 825745, 1156043, 4128725, 5780215, 28901075]

約数ペア:

[(1, 28901075), (5, 5780215), (7, 4128725), (25, 1156043), (35, 825745), (175, 165149), (239, 120925), (691, 41825), (1195, 24185), (1673, 17275), (3455, 8365), (4837, 5975)]