13988465

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{643}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 17774400

約数和(自身を除く): 3785935

約数列:

[1, 5, 19, 95, 229, 643, 1145, 3215, 4351, 12217, 21755, 61085, 147247, 736235, 2797693, 13988465]

約数ペア:

[(1, 13988465), (5, 2797693), (19, 736235), (95, 147247), (229, 61085), (643, 21755), (1145, 12217), (3215, 4351)]