1256398418

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{140317}}^1$

素因数の和:140378

約数の個数: 24

約数和(自身を含む): 2127501516

約数和(自身を除く): 871103098

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 814, 4477, 8954, 140317, 280634, 1543487, 3086974, 5191729, 10383458, 16978357, 33956714, 57109019, 114218038, 628199209, 1256398418]

約数ペア:

[(1, 1256398418), (2, 628199209), (11, 114218038), (22, 57109019), (37, 33956714), (74, 16978357), (121, 10383458), (242, 5191729), (407, 3086974), (814, 1543487), (4477, 280634), (8954, 140317)]