12721126

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^2$

素因数の和:264

約数の個数: 24

約数和(自身を含む): 21341304

約数和(自身を除く): 8620178

約数列:

[1, 2, 11, 22, 73, 89, 146, 178, 803, 979, 1606, 1958, 6497, 7921, 12994, 15842, 71467, 87131, 142934, 174262, 578233, 1156466, 6360563, 12721126]

約数ペア:

[(1, 12721126), (2, 6360563), (11, 1156466), (22, 578233), (73, 174262), (89, 142934), (146, 87131), (178, 71467), (803, 15842), (979, 12994), (1606, 7921), (1958, 6497)]