397717817

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79687}}^1$

素因数の和:79748

約数の個数: 16

約数和(自身を含む): 489603072

約数和(自身を除く): 91885255

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 79687, 557809, 1832801, 2470297, 12829607, 17292079, 56816831, 397717817]

約数ペア:

[(1, 397717817), (7, 56816831), (23, 17292079), (31, 12829607), (161, 2470297), (217, 1832801), (713, 557809), (4991, 79687)]