13670225

素因数分解:

$5^2\times {\mathrm{31}}^2\times {\mathrm{569}}^1$

素因数の和:641

約数の個数: 18

約数和(自身を含む): 17546310

約数和(自身を除く): 3876085

約数列:

[1, 5, 25, 31, 155, 569, 775, 961, 2845, 4805, 14225, 17639, 24025, 88195, 440975, 546809, 2734045, 13670225]

約数ペア:

[(1, 13670225), (5, 2734045), (25, 546809), (31, 440975), (155, 88195), (569, 24025), (775, 17639), (961, 14225), (2845, 4805)]