28301525

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3761}}^1$

素因数の和:3821

約数の個数: 24

約数和(自身を含む): 41050944

約数和(自身を除く): 12749419

約数列:

[1, 5, 7, 25, 35, 43, 175, 215, 301, 1075, 1505, 3761, 7525, 18805, 26327, 94025, 131635, 161723, 658175, 808615, 1132061, 4043075, 5660305, 28301525]

約数ペア:

[(1, 28301525), (5, 5660305), (7, 4043075), (25, 1132061), (35, 808615), (43, 658175), (175, 161723), (215, 131635), (301, 94025), (1075, 26327), (1505, 18805), (3761, 7525)]