820888912

素因数分解:

$2^4\times {\mathrm{653}}^1\times {\mathrm{78569}}^1$

素因数の和:79230

約数の個数: 20

約数和(自身を含む): 1592928180

約数和(自身を除く): 772039268

約数列:

[1, 2, 4, 8, 16, 653, 1306, 2612, 5224, 10448, 78569, 157138, 314276, 628552, 1257104, 51305557, 102611114, 205222228, 410444456, 820888912]

約数ペア:

[(1, 820888912), (2, 410444456), (4, 205222228), (8, 102611114), (16, 51305557), (653, 1257104), (1306, 628552), (2612, 314276), (5224, 157138), (10448, 78569)]