1280291210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11639011}}^1$

素因数の和:11639029

約数の個数: 16

約数和(自身を含む): 2514026592

約数和(自身を除く): 1233735382

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 11639011, 23278022, 58195055, 116390110, 128029121, 256058242, 640145605, 1280291210]

約数ペア:

[(1, 1280291210), (2, 640145605), (5, 256058242), (10, 128029121), (11, 116390110), (22, 58195055), (55, 23278022), (110, 11639011)]