128581116

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 304725120

約数和(自身を除く): 176144004

約数列:

[1, 2, 3, 4, 6, 12, 139, 157, 278, 314, 417, 471, 491, 556, 628, 834, 942, 982, 1473, 1668, 1884, 1964, 2946, 5892, 21823, 43646, 65469, 68249, 77087, 87292, 130938, 136498, 154174, 204747, 231261, 261876, 272996, 308348, 409494, 462522, 818988, 925044, 10715093, 21430186, 32145279, 42860372, 64290558, 128581116]

約数ペア:

[(1, 128581116), (2, 64290558), (3, 42860372), (4, 32145279), (6, 21430186), (12, 10715093), (139, 925044), (157, 818988), (278, 462522), (314, 409494), (417, 308348), (471, 272996), (491, 261876), (556, 231261), (628, 204747), (834, 154174), (942, 136498), (982, 130938), (1473, 87292), (1668, 77087), (1884, 68249), (1964, 65469), (2946, 43646), (5892, 21823)]