1921585729

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{25303}}^1$

素因数の和:25900

約数の個数: 16

約数和(自身を含む): 2315822080

約数和(自身を除く): 394236351

約数列:

[1, 7, 19, 133, 571, 3997, 10849, 25303, 75943, 177121, 480757, 3365299, 14448013, 101136091, 274512247, 1921585729]

約数ペア:

[(1, 1921585729), (7, 274512247), (19, 101136091), (133, 14448013), (571, 3365299), (3997, 480757), (10849, 177121), (25303, 75943)]