28687654

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{2789}}^1$

素因数の和:2967

約数の個数: 16

約数和(自身を含む): 44528400

約数和(自身を除く): 15840746

約数列:

[1, 2, 37, 74, 139, 278, 2789, 5143, 5578, 10286, 103193, 206386, 387671, 775342, 14343827, 28687654]

約数ペア:

[(1, 28687654), (2, 14343827), (37, 775342), (74, 387671), (139, 206386), (278, 103193), (2789, 10286), (5143, 5578)]