28403882

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1699}}^1$

素因数の和:2357

約数の個数: 16

約数和(自身を含む): 45981600

約数和(自身を除く): 17577718

約数列:

[1, 2, 13, 26, 643, 1286, 1699, 3398, 8359, 16718, 22087, 44174, 1092457, 2184914, 14201941, 28403882]

約数ペア:

[(1, 28403882), (2, 14201941), (13, 2184914), (26, 1092457), (643, 44174), (1286, 22087), (1699, 16718), (3398, 8359)]