12897145

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:504

約数の個数: 16

約数和(自身を含む): 15874560

約数和(自身を除く): 2977415

約数列:

[1, 5, 79, 103, 317, 395, 515, 1585, 8137, 25043, 32651, 40685, 125215, 163255, 2579429, 12897145]

約数ペア:

[(1, 12897145), (5, 2579429), (79, 163255), (103, 125215), (317, 40685), (395, 32651), (515, 25043), (1585, 8137)]