31125578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 53654400

約数和(自身を除く): 22528822

約数列:

[1, 2, 11, 22, 23, 46, 137, 253, 274, 449, 506, 898, 1507, 3014, 3151, 4939, 6302, 9878, 10327, 20654, 34661, 61513, 69322, 113597, 123026, 227194, 676643, 1353286, 1414799, 2829598, 15562789, 31125578]

約数ペア:

[(1, 31125578), (2, 15562789), (11, 2829598), (22, 1414799), (23, 1353286), (46, 676643), (137, 227194), (253, 123026), (274, 113597), (449, 69322), (506, 61513), (898, 34661), (1507, 20654), (3014, 10327), (3151, 9878), (4939, 6302)]