49689215

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 64057392

約数和(自身を除く): 14368177

約数列:

[1, 5, 17, 85, 137, 251, 289, 685, 1255, 1445, 2329, 4267, 11645, 21335, 34387, 39593, 72539, 171935, 197965, 362695, 584579, 2922895, 9937843, 49689215]

約数ペア:

[(1, 49689215), (5, 9937843), (17, 2922895), (85, 584579), (137, 362695), (251, 197965), (289, 171935), (685, 72539), (1255, 39593), (1445, 34387), (2329, 21335), (4267, 11645)]