9990395

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{797}}^1$

素因数の和:934

約数の個数: 16

約数和(自身を含む): 12640320

約数和(自身を除く): 2649925

約数列:

[1, 5, 23, 109, 115, 545, 797, 2507, 3985, 12535, 18331, 86873, 91655, 434365, 1998079, 9990395]

約数ペア:

[(1, 9990395), (5, 1998079), (23, 434365), (109, 91655), (115, 86873), (545, 18331), (797, 12535), (2507, 3985)]