201431785

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{1873}}^1$

素因数の和:2172

約数の個数: 16

約数和(自身を含む): 245164176

約数和(自身を除く): 43732391

約数列:

[1, 5, 137, 157, 685, 785, 1873, 9365, 21509, 107545, 256601, 294061, 1283005, 1470305, 40286357, 201431785]

約数ペア:

[(1, 201431785), (5, 40286357), (137, 1470305), (157, 1283005), (685, 294061), (785, 256601), (1873, 107545), (9365, 21509)]