258240554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{2011}}^1$

素因数の和:2486

約数の個数: 32

約数和(自身を含む): 456321600

約数和(自身を除く): 198081046

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 449, 898, 2011, 4022, 4939, 5837, 9878, 11674, 22121, 26143, 44242, 52286, 64207, 128414, 287573, 575146, 902939, 1805878, 9932329, 11738207, 19864658, 23476414, 129120277, 258240554]

約数ペア:

[(1, 258240554), (2, 129120277), (11, 23476414), (13, 19864658), (22, 11738207), (26, 9932329), (143, 1805878), (286, 902939), (449, 575146), (898, 287573), (2011, 128414), (4022, 64207), (4939, 52286), (5837, 44242), (9878, 26143), (11674, 22121)]