129012976

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{90599}}^1$

素因数の和:90696

約数の個数: 20

約数和(自身を含む): 252774000

約数和(自身を除く): 123761024

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 90599, 181198, 362396, 724792, 1449584, 8063311, 16126622, 32253244, 64506488, 129012976]

約数ペア:

[(1, 129012976), (2, 64506488), (4, 32253244), (8, 16126622), (16, 8063311), (89, 1449584), (178, 724792), (356, 362396), (712, 181198), (1424, 90599)]