200901458

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 321926400

約数和(自身を除く): 121024942

約数列:

[1, 2, 23, 46, 71, 137, 142, 274, 449, 898, 1633, 3151, 3266, 6302, 9727, 10327, 19454, 20654, 31879, 61513, 63758, 123026, 223721, 447442, 733217, 1414799, 1466434, 2829598, 4367423, 8734846, 100450729, 200901458]

約数ペア:

[(1, 200901458), (2, 100450729), (23, 8734846), (46, 4367423), (71, 2829598), (137, 1466434), (142, 1414799), (274, 733217), (449, 447442), (898, 223721), (1633, 123026), (3151, 63758), (3266, 61513), (6302, 31879), (9727, 20654), (10327, 19454)]