128742868

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{653}}^1\times {\mathrm{2143}}^1$

素因数の和:2823

約数の個数: 24

約数和(自身を含む): 235565568

約数和(自身を除く): 106822700

約数列:

[1, 2, 4, 23, 46, 92, 653, 1306, 2143, 2612, 4286, 8572, 15019, 30038, 49289, 60076, 98578, 197156, 1399379, 2798758, 5597516, 32185717, 64371434, 128742868]

約数ペア:

[(1, 128742868), (2, 64371434), (4, 32185717), (23, 5597516), (46, 2798758), (92, 1399379), (653, 197156), (1306, 98578), (2143, 60076), (2612, 49289), (4286, 30038), (8572, 15019)]