201731245

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{1949}}^1$

素因数の和:2244

約数の個数: 16

約数和(自身を含む): 245606400

約数和(自身を除く): 43875155

約数列:

[1, 5, 127, 163, 635, 815, 1949, 9745, 20701, 103505, 247523, 317687, 1237615, 1588435, 40346249, 201731245]

約数ペア:

[(1, 201731245), (5, 40346249), (127, 1588435), (163, 1237615), (635, 317687), (815, 247523), (1949, 103505), (9745, 20701)]