127918225

素因数分解:

$5^2\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 161552160

約数和(自身を除く): 33633935

約数列:

[1, 5, 25, 131, 139, 281, 655, 695, 1405, 3275, 3475, 7025, 18209, 36811, 39059, 91045, 184055, 195295, 455225, 920275, 976475, 5116729, 25583645, 127918225]

約数ペア:

[(1, 127918225), (5, 25583645), (25, 5116729), (131, 976475), (139, 920275), (281, 455225), (655, 195295), (695, 184055), (1405, 91045), (3275, 39059), (3475, 36811), (7025, 18209)]