164501905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{2693}}^1$

素因数の和:3360

約数の個数: 16

約数和(自身を含む): 208192320

約数和(自身を除く): 43690415

約数列:

[1, 5, 19, 95, 643, 2693, 3215, 12217, 13465, 51167, 61085, 255835, 1731599, 8657995, 32900381, 164501905]

約数ペア:

[(1, 164501905), (5, 32900381), (19, 8657995), (95, 1731599), (643, 255835), (2693, 61085), (3215, 51167), (12217, 13465)]