289061474

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{140731}}^1$

素因数の和:140825

約数の個数: 16

約数和(自身を含む): 472859520

約数和(自身を除く): 183798046

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 140731, 281462, 1829503, 3659006, 11117749, 22235498, 144530737, 289061474]

約数ペア:

[(1, 289061474), (2, 144530737), (13, 22235498), (26, 11117749), (79, 3659006), (158, 1829503), (1027, 281462), (2054, 140731)]