28160825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{14629}}^1$

素因数の和:14657

約数の個数: 24

約数和(自身を含む): 43538880

約数和(自身を除く): 15378055

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 14629, 73145, 102403, 160919, 365725, 512015, 804595, 1126433, 2560075, 4022975, 5632165, 28160825]

約数ペア:

[(1, 28160825), (5, 5632165), (7, 4022975), (11, 2560075), (25, 1126433), (35, 804595), (55, 512015), (77, 365725), (175, 160919), (275, 102403), (385, 73145), (1925, 14629)]