1243989185

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{278609}}^1$

素因数の和:278680

約数の個数: 16

約数和(自身を含む): 1604793600

約数和(自身を除く): 360804415

約数列:

[1, 5, 19, 47, 95, 235, 893, 4465, 278609, 1393045, 5293571, 13094623, 26467855, 65473115, 248797837, 1243989185]

約数ペア:

[(1, 1243989185), (5, 248797837), (19, 65473115), (47, 26467855), (95, 13094623), (235, 5293571), (893, 1393045), (4465, 278609)]