16728425

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5623}}^1$

素因数の和:5657

約数の個数: 24

約数和(自身を含む): 25105536

約数和(自身を除く): 8377111

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 5623, 28115, 39361, 95591, 140575, 196805, 477955, 669137, 984025, 2389775, 3345685, 16728425]

約数ペア:

[(1, 16728425), (5, 3345685), (7, 2389775), (17, 984025), (25, 669137), (35, 477955), (85, 196805), (119, 140575), (175, 95591), (425, 39361), (595, 28115), (2975, 5623)]