64478721

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{2939}}^1$

素因数の和:3116

約数の個数: 16

約数和(自身を含む): 88058880

約数和(自身を除く): 23580159

約数列:

[1, 3, 71, 103, 213, 309, 2939, 7313, 8817, 21939, 208669, 302717, 626007, 908151, 21492907, 64478721]

約数ペア:

[(1, 64478721), (3, 21492907), (71, 908151), (103, 626007), (213, 302717), (309, 208669), (2939, 21939), (7313, 8817)]