8438170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4993}}^1$

素因数の和:5026

約数の個数: 24

約数和(自身を含む): 16450236

約数和(自身を除く): 8012066

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 4993, 9986, 24965, 49930, 64909, 129818, 324545, 649090, 843817, 1687634, 4219085, 8438170]

約数ペア:

[(1, 8438170), (2, 4219085), (5, 1687634), (10, 843817), (13, 649090), (26, 324545), (65, 129818), (130, 64909), (169, 49930), (338, 24965), (845, 9986), (1690, 4993)]