28581386

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{2161}}^1$

素因数の和:2569

約数の個数: 16

約数和(自身を含む): 45531720

約数和(自身を除く): 16950334

約数列:

[1, 2, 17, 34, 389, 778, 2161, 4322, 6613, 13226, 36737, 73474, 840629, 1681258, 14290693, 28581386]

約数ペア:

[(1, 28581386), (2, 14290693), (17, 1681258), (34, 840629), (389, 73474), (778, 36737), (2161, 13226), (4322, 6613)]