28078956

素因数分解:

$2^2\times 3^2\times {\mathrm{779971}}^1$

素因数の和:779981

約数の個数: 18

約数和(自身を含む): 70977452

約数和(自身を除く): 42898496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 779971, 1559942, 2339913, 3119884, 4679826, 7019739, 9359652, 14039478, 28078956]

約数ペア:

[(1, 28078956), (2, 14039478), (3, 9359652), (4, 7019739), (6, 4679826), (9, 3119884), (12, 2339913), (18, 1559942), (36, 779971)]