66992968

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^2\times {\mathrm{647}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 147199680

約数和(自身を除く): 80206712

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 647, 1204, 1294, 1849, 2408, 2588, 3698, 4529, 5176, 7396, 9058, 12943, 14792, 18116, 25886, 27821, 36232, 51772, 55642, 103544, 111284, 194747, 222568, 389494, 778988, 1196303, 1557976, 2392606, 4785212, 8374121, 9570424, 16748242, 33496484, 66992968]

約数ペア:

[(1, 66992968), (2, 33496484), (4, 16748242), (7, 9570424), (8, 8374121), (14, 4785212), (28, 2392606), (43, 1557976), (56, 1196303), (86, 778988), (172, 389494), (301, 222568), (344, 194747), (602, 111284), (647, 103544), (1204, 55642), (1294, 51772), (1849, 36232), (2408, 27821), (2588, 25886), (3698, 18116), (4529, 14792), (5176, 12943), (7396, 9058)]