138767923

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 175785984

約数和(自身を除く): 37018061

約数列:

[1, 7, 17, 43, 47, 119, 301, 329, 577, 731, 799, 2021, 4039, 5117, 5593, 9809, 14147, 24811, 27119, 34357, 68663, 173677, 189833, 240499, 421787, 461023, 1166117, 2952509, 3227161, 8162819, 19823989, 138767923]

約数ペア:

[(1, 138767923), (7, 19823989), (17, 8162819), (43, 3227161), (47, 2952509), (119, 1166117), (301, 461023), (329, 421787), (577, 240499), (731, 189833), (799, 173677), (2021, 68663), (4039, 34357), (5117, 27119), (5593, 24811), (9809, 14147)]