28804518475

素因数分解:

$5^2\times {\mathrm{89}}^2\times {\mathrm{145459}}^1$

素因数の和:145647

約数の個数: 18

約数和(自身を含む): 36123681860

約数和(自身を除く): 7319163385

約数列:

[1, 5, 25, 89, 445, 2225, 7921, 39605, 145459, 198025, 727295, 3636475, 12945851, 64729255, 323646275, 1152180739, 5760903695, 28804518475]

約数ペア:

[(1, 28804518475), (5, 5760903695), (25, 1152180739), (89, 323646275), (445, 64729255), (2225, 12945851), (7921, 3636475), (39605, 727295), (145459, 198025)]