28017904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{103007}}^1$

素因数の和:103032

約数の個数: 20

約数和(自身を含む): 57478464

約数和(自身を除く): 29460560

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 103007, 206014, 412028, 824056, 1648112, 1751119, 3502238, 7004476, 14008952, 28017904]

約数ペア:

[(1, 28017904), (2, 14008952), (4, 7004476), (8, 3502238), (16, 1751119), (17, 1648112), (34, 824056), (68, 412028), (136, 206014), (272, 103007)]