28039356

素因数分解:

$2^2\times 3^2\times {\mathrm{778871}}^1$

素因数の和:778881

約数の個数: 18

約数和(自身を含む): 70877352

約数和(自身を除く): 42837996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 778871, 1557742, 2336613, 3115484, 4673226, 7009839, 9346452, 14019678, 28039356]

約数ペア:

[(1, 28039356), (2, 14019678), (3, 9346452), (4, 7009839), (6, 4673226), (9, 3115484), (12, 2336613), (18, 1557742), (36, 778871)]