28406290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{919}}^1$

素因数の和:1218

約数の個数: 32

約数和(自身を含む): 56039040

約数和(自身を除く): 27632750

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 281, 562, 919, 1405, 1838, 2810, 3091, 4595, 6182, 9190, 10109, 15455, 20218, 30910, 50545, 101090, 258239, 516478, 1291195, 2582390, 2840629, 5681258, 14203145, 28406290]

約数ペア:

[(1, 28406290), (2, 14203145), (5, 5681258), (10, 2840629), (11, 2582390), (22, 1291195), (55, 516478), (110, 258239), (281, 101090), (562, 50545), (919, 30910), (1405, 20218), (1838, 15455), (2810, 10109), (3091, 9190), (4595, 6182)]