78638049

素因数分解:

$3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{4973}}^1$

素因数の和:5237

約数の個数: 24

約数和(自身を含む): 130358592

約数和(自身を除く): 51720543

約数列:

[1, 3, 7, 9, 21, 63, 251, 753, 1757, 2259, 4973, 5271, 14919, 15813, 34811, 44757, 104433, 313299, 1248223, 3744669, 8737561, 11234007, 26212683, 78638049]

約数ペア:

[(1, 78638049), (3, 26212683), (7, 11234007), (9, 8737561), (21, 3744669), (63, 1248223), (251, 313299), (753, 104433), (1757, 44757), (2259, 34811), (4973, 15813), (5271, 14919)]