81021746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{8929}}^1$

素因数の和:9293

約数の個数: 16

約数和(自身を含む): 131271000

約数和(自身を除く): 50249254

約数列:

[1, 2, 13, 26, 349, 698, 4537, 8929, 9074, 17858, 116077, 232154, 3116221, 6232442, 40510873, 81021746]

約数ペア:

[(1, 81021746), (2, 40510873), (13, 6232442), (26, 3116221), (349, 232154), (698, 116077), (4537, 17858), (8929, 9074)]