131509868

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1381}}^1$

素因数の和:1590

約数の個数: 48

約数和(自身を含む): 278611200

約数和(自身を除く): 147101332

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 179, 266, 358, 532, 716, 1253, 1381, 2506, 2762, 3401, 5012, 5524, 6802, 9667, 13604, 19334, 23807, 26239, 38668, 47614, 52478, 95228, 104956, 183673, 247199, 367346, 494398, 734692, 988796, 1730393, 3460786, 4696781, 6921572, 9393562, 18787124, 32877467, 65754934, 131509868]

約数ペア:

[(1, 131509868), (2, 65754934), (4, 32877467), (7, 18787124), (14, 9393562), (19, 6921572), (28, 4696781), (38, 3460786), (76, 1730393), (133, 988796), (179, 734692), (266, 494398), (358, 367346), (532, 247199), (716, 183673), (1253, 104956), (1381, 95228), (2506, 52478), (2762, 47614), (3401, 38668), (5012, 26239), (5524, 23807), (6802, 19334), (9667, 13604)]