129457264

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{90911}}^1$

素因数の和:91008

約数の個数: 20

約数和(自身を含む): 253644480

約数和(自身を除く): 124187216

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 90911, 181822, 363644, 727288, 1454576, 8091079, 16182158, 32364316, 64728632, 129457264]

約数ペア:

[(1, 129457264), (2, 64728632), (4, 32364316), (8, 16182158), (16, 8091079), (89, 1454576), (178, 727288), (356, 363644), (712, 181822), (1424, 90911)]