208386475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{3019}}^1$

素因数の和:3291

約数の個数: 24

約数和(自身を含む): 283106880

約数和(自身を除く): 74720405

約数列:

[1, 5, 11, 25, 55, 251, 275, 1255, 2761, 3019, 6275, 13805, 15095, 33209, 69025, 75475, 166045, 757769, 830225, 3788845, 8335459, 18944225, 41677295, 208386475]

約数ペア:

[(1, 208386475), (5, 41677295), (11, 18944225), (25, 8335459), (55, 3788845), (251, 830225), (275, 757769), (1255, 166045), (2761, 75475), (3019, 69025), (6275, 33209), (13805, 15095)]