1390991255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{37277}}^1$

素因数の和:37738

約数の個数: 16

約数和(自身を含む): 1771450560

約数和(自身を除く): 380459305

約数列:

[1, 5, 17, 85, 439, 2195, 7463, 37277, 37315, 186385, 633709, 3168545, 16364603, 81823015, 278198251, 1390991255]

約数ペア:

[(1, 1390991255), (5, 278198251), (17, 81823015), (85, 16364603), (439, 3168545), (2195, 633709), (7463, 186385), (37277, 37315)]