251445854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{2029}}^1$

素因数の和:2216

約数の個数: 32

約数和(自身を含む): 424448640

約数和(自身を除く): 173002786

約数列:

[1, 2, 11, 22, 43, 86, 131, 262, 473, 946, 1441, 2029, 2882, 4058, 5633, 11266, 22319, 44638, 61963, 87247, 123926, 174494, 265799, 531598, 959717, 1919434, 2923789, 5847578, 11429357, 22858714, 125722927, 251445854]

約数ペア:

[(1, 251445854), (2, 125722927), (11, 22858714), (22, 11429357), (43, 5847578), (86, 2923789), (131, 1919434), (262, 959717), (473, 531598), (946, 265799), (1441, 174494), (2029, 123926), (2882, 87247), (4058, 61963), (5633, 44638), (11266, 22319)]