128789210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1170811}}^1$

素因数の和:1170829

約数の個数: 16

約数和(自身を含む): 252895392

約数和(自身を除く): 124106182

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1170811, 2341622, 5854055, 11708110, 12878921, 25757842, 64394605, 128789210]

約数ペア:

[(1, 128789210), (2, 64394605), (5, 25757842), (10, 12878921), (11, 11708110), (22, 5854055), (55, 2341622), (110, 1170811)]