71839175

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:803

約数の個数: 24

約数和(自身を含む): 92233680

約数和(自身を除く): 20394505

約数列:

[1, 5, 25, 41, 109, 205, 545, 643, 1025, 2725, 3215, 4469, 16075, 22345, 26363, 70087, 111725, 131815, 350435, 659075, 1752175, 2873567, 14367835, 71839175]

約数ペア:

[(1, 71839175), (5, 14367835), (25, 2873567), (41, 1752175), (109, 659075), (205, 350435), (545, 131815), (643, 111725), (1025, 70087), (2725, 26363), (3215, 22345), (4469, 16075)]