201425525

素因数分解:

$5^2\times 7^2\times {\mathrm{164429}}^1$

素因数の和:164453

約数の個数: 18

約数和(自身を含む): 290547810

約数和(自身を除く): 89122285

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 164429, 822145, 1151003, 4110725, 5755015, 8057021, 28775075, 40285105, 201425525]

約数ペア:

[(1, 201425525), (5, 40285105), (7, 28775075), (25, 8057021), (35, 5755015), (49, 4110725), (175, 1151003), (245, 822145), (1225, 164429)]