28021049

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2837}}^1$

素因数の和:2944

約数の個数: 16

約数和(自身を含む): 34328448

約数和(自身を除く): 6307399

約数列:

[1, 7, 17, 83, 119, 581, 1411, 2837, 9877, 19859, 48229, 235471, 337603, 1648297, 4003007, 28021049]

約数ペア:

[(1, 28021049), (7, 4003007), (17, 1648297), (83, 337603), (119, 235471), (581, 48229), (1411, 19859), (2837, 9877)]