28401674

素因数分解:

$2^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{821}}^1$

素因数の和:1190

約数の個数: 24

約数和(自身を含む): 49758948

約数和(自身を除く): 21357274

約数列:

[1, 2, 7, 14, 49, 98, 353, 706, 821, 1642, 2471, 4942, 5747, 11494, 17297, 34594, 40229, 80458, 289813, 579626, 2028691, 4057382, 14200837, 28401674]

約数ペア:

[(1, 28401674), (2, 14200837), (7, 4057382), (14, 2028691), (49, 579626), (98, 289813), (353, 80458), (706, 40229), (821, 34594), (1642, 17297), (2471, 11494), (4942, 5747)]