287970242

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1209959}}^1$

素因数の和:1209985

約数の個数: 16

約数和(自身を含む): 522702720

約数和(自身を除く): 234732478

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 1209959, 2419918, 8469713, 16939426, 20569303, 41138606, 143985121, 287970242]

約数ペア:

[(1, 287970242), (2, 143985121), (7, 41138606), (14, 20569303), (17, 16939426), (34, 8469713), (119, 2419918), (238, 1209959)]