81672016

素因数分解:

$2^4\times {\mathrm{653}}^1\times {\mathrm{7817}}^1$

素因数の和:8478

約数の個数: 20

約数和(自身を含む): 158502132

約数和(自身を除く): 76830116

約数列:

[1, 2, 4, 8, 16, 653, 1306, 2612, 5224, 7817, 10448, 15634, 31268, 62536, 125072, 5104501, 10209002, 20418004, 40836008, 81672016]

約数ペア:

[(1, 81672016), (2, 40836008), (4, 20418004), (8, 10209002), (16, 5104501), (653, 125072), (1306, 62536), (2612, 31268), (5224, 15634), (7817, 10448)]