28753025

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3821}}^1$

素因数の和:3881

約数の個数: 24

約数和(自身を含む): 41705664

約数和(自身を除く): 12952639

約数列:

[1, 5, 7, 25, 35, 43, 175, 215, 301, 1075, 1505, 3821, 7525, 19105, 26747, 95525, 133735, 164303, 668675, 821515, 1150121, 4107575, 5750605, 28753025]

約数ペア:

[(1, 28753025), (5, 5750605), (7, 4107575), (25, 1150121), (35, 821515), (43, 668675), (175, 164303), (215, 133735), (301, 95525), (1075, 26747), (1505, 19105), (3821, 7525)]