257256978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{169471}}^1$

素因数の和:169510

約数の個数: 32

約数和(自身を含む): 585695232

約数和(自身を除く): 328438254

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 169471, 338942, 508413, 1016826, 1864181, 3728362, 3897833, 5592543, 7795666, 11185086, 11693499, 23386998, 42876163, 85752326, 128628489, 257256978]

約数ペア:

[(1, 257256978), (2, 128628489), (3, 85752326), (6, 42876163), (11, 23386998), (22, 11693499), (23, 11185086), (33, 7795666), (46, 5592543), (66, 3897833), (69, 3728362), (138, 1864181), (253, 1016826), (506, 508413), (759, 338942), (1518, 169471)]