28391678

素因数分解:

$2^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{1031}}^1$

素因数の和:1328

約数の個数: 24

約数和(自身を含む): 49765104

約数和(自身を除く): 21373426

約数列:

[1, 2, 7, 14, 49, 98, 281, 562, 1031, 1967, 2062, 3934, 7217, 13769, 14434, 27538, 50519, 101038, 289711, 579422, 2027977, 4055954, 14195839, 28391678]

約数ペア:

[(1, 28391678), (2, 14195839), (7, 4055954), (14, 2027977), (49, 579422), (98, 289711), (281, 101038), (562, 50519), (1031, 27538), (1967, 14434), (2062, 13769), (3934, 7217)]