251017876

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{1889}}^1$

素因数の和:2271

約数の個数: 24

約数和(自身を含む): 444528000

約数和(自身を除く): 193510124

約数列:

[1, 2, 4, 139, 239, 278, 478, 556, 956, 1889, 3778, 7556, 33221, 66442, 132884, 262571, 451471, 525142, 902942, 1050284, 1805884, 62754469, 125508938, 251017876]

約数ペア:

[(1, 251017876), (2, 125508938), (4, 62754469), (139, 1805884), (239, 1050284), (278, 902942), (478, 525142), (556, 451471), (956, 262571), (1889, 132884), (3778, 66442), (7556, 33221)]