28974043

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{547}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 35983872

約数和(自身を除く): 7009829

約数列:

[1, 7, 23, 47, 49, 161, 329, 547, 1081, 1127, 2303, 3829, 7567, 12581, 25709, 26803, 52969, 88067, 179963, 591307, 616469, 1259741, 4139149, 28974043]

約数ペア:

[(1, 28974043), (7, 4139149), (23, 1259741), (47, 616469), (49, 591307), (161, 179963), (329, 88067), (547, 52969), (1081, 26803), (1127, 25709), (2303, 12581), (3829, 7567)]