72176305

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 92836800

約数和(自身を除く): 20660495

約数列:

[1, 5, 17, 85, 199, 251, 289, 995, 1255, 1445, 3383, 4267, 16915, 21335, 49949, 57511, 72539, 249745, 287555, 362695, 849133, 4245665, 14435261, 72176305]

約数ペア:

[(1, 72176305), (5, 14435261), (17, 4245665), (85, 849133), (199, 362695), (251, 287555), (289, 249745), (995, 72539), (1255, 57511), (1445, 49949), (3383, 21335), (4267, 16915)]