28017325

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4327}}^1$

素因数の和:4381

約数の個数: 24

約数和(自身を含む): 40787072

約数和(自身を除く): 12769747

約数列:

[1, 5, 7, 25, 35, 37, 175, 185, 259, 925, 1295, 4327, 6475, 21635, 30289, 108175, 151445, 160099, 757225, 800495, 1120693, 4002475, 5603465, 28017325]

約数ペア:

[(1, 28017325), (5, 5603465), (7, 4002475), (25, 1120693), (35, 800495), (37, 757225), (175, 160099), (185, 151445), (259, 108175), (925, 30289), (1295, 21635), (4327, 6475)]