20130425

素因数分解:

$5^2\times 7^2\times {\mathrm{16433}}^1$

素因数の和:16457

約数の個数: 18

約数和(自身を含む): 29038878

約数和(自身を除く): 8908453

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 16433, 82165, 115031, 410825, 575155, 805217, 2875775, 4026085, 20130425]

約数ペア:

[(1, 20130425), (5, 4026085), (7, 2875775), (25, 805217), (35, 575155), (49, 410825), (175, 115031), (245, 82165), (1225, 16433)]