64191455

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2477}}^1$

素因数の和:2626

約数の個数: 16

約数和(自身を含む): 79216704

約数和(自身を除く): 15025249

約数列:

[1, 5, 71, 73, 355, 365, 2477, 5183, 12385, 25915, 175867, 180821, 879335, 904105, 12838291, 64191455]

約数ペア:

[(1, 64191455), (5, 12838291), (71, 904105), (73, 879335), (355, 180821), (365, 175867), (2477, 25915), (5183, 12385)]