251286638

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{109}}^1\times {\mathrm{2179}}^1$

素因数の和:2336

約数の個数: 24

約数和(自身を含む): 397828200

約数和(自身を除く): 146541562

約数列:

[1, 2, 23, 46, 109, 218, 529, 1058, 2179, 2507, 4358, 5014, 50117, 57661, 100234, 115322, 237511, 475022, 1152691, 2305382, 5462753, 10925506, 125643319, 251286638]

約数ペア:

[(1, 251286638), (2, 125643319), (23, 10925506), (46, 5462753), (109, 2305382), (218, 1152691), (529, 475022), (1058, 237511), (2179, 115322), (2507, 100234), (4358, 57661), (5014, 50117)]