13498075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 17828720

約数和(自身を除く): 4330645

約数列:

[1, 5, 19, 25, 95, 157, 181, 475, 785, 905, 2983, 3439, 3925, 4525, 14915, 17195, 28417, 74575, 85975, 142085, 539923, 710425, 2699615, 13498075]

約数ペア:

[(1, 13498075), (5, 2699615), (19, 710425), (25, 539923), (95, 142085), (157, 85975), (181, 74575), (475, 28417), (785, 17195), (905, 14915), (2983, 4525), (3439, 3925)]