28647325

素因数分解:

$5^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{523}}^1$

素因数の和:853

約数の個数: 24

約数和(自身を含む): 40804928

約数和(自身を除く): 12157603

約数列:

[1, 5, 7, 25, 35, 175, 313, 523, 1565, 2191, 2615, 3661, 7825, 10955, 13075, 18305, 54775, 91525, 163699, 818495, 1145893, 4092475, 5729465, 28647325]

約数ペア:

[(1, 28647325), (5, 5729465), (7, 4092475), (25, 1145893), (35, 818495), (175, 163699), (313, 91525), (523, 54775), (1565, 18305), (2191, 13075), (2615, 10955), (3661, 7825)]