164143679

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 204480000

約数和(自身を除く): 40336321

約数列:

[1, 7, 19, 49, 89, 133, 283, 343, 623, 931, 1691, 1981, 4361, 5377, 6517, 11837, 13867, 25187, 30527, 37639, 82859, 97069, 176309, 263473, 478553, 580013, 1234163, 1844311, 3349871, 8639141, 23449097, 164143679]

約数ペア:

[(1, 164143679), (7, 23449097), (19, 8639141), (49, 3349871), (89, 1844311), (133, 1234163), (283, 580013), (343, 478553), (623, 263473), (931, 176309), (1691, 97069), (1981, 82859), (4361, 37639), (5377, 30527), (6517, 25187), (11837, 13867)]