12911950

素因数分解:

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

素因数の和:1212

約数の個数: 24

約数和(自身を含む): 24127920

約数和(自身を除く): 11215970

約数列:

[1, 2, 5, 10, 25, 50, 281, 562, 919, 1405, 1838, 2810, 4595, 7025, 9190, 14050, 22975, 45950, 258239, 516478, 1291195, 2582390, 6455975, 12911950]

約数ペア:

[(1, 12911950), (2, 6455975), (5, 2582390), (10, 1291195), (25, 516478), (50, 258239), (281, 45950), (562, 22975), (919, 14050), (1405, 9190), (1838, 7025), (2810, 4595)]