1215719854

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{1093}}^1\times {\mathrm{4001}}^1$

素因数の和:5235

約数の個数: 16

約数和(自身を含む): 1838838960

約数和(自身を除く): 623119106

約数列:

[1, 2, 139, 278, 1093, 2186, 4001, 8002, 151927, 303854, 556139, 1112278, 4373093, 8746186, 607859927, 1215719854]

約数ペア:

[(1, 1215719854), (2, 607859927), (139, 8746186), (278, 4373093), (1093, 1112278), (2186, 556139), (4001, 303854), (8002, 151927)]