51868117

素因数分解:

$7^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:186

約数の個数: 32

約数和(自身を含む): 64083200

約数和(自身を除く): 12215083

約数列:

[1, 7, 37, 49, 61, 67, 259, 343, 427, 469, 1813, 2257, 2479, 2989, 3283, 4087, 12691, 15799, 17353, 20923, 22981, 28609, 110593, 121471, 151219, 200263, 774151, 850297, 1058533, 1401841, 7409731, 51868117]

約数ペア:

[(1, 51868117), (7, 7409731), (37, 1401841), (49, 1058533), (61, 850297), (67, 774151), (259, 200263), (343, 151219), (427, 121471), (469, 110593), (1813, 28609), (2257, 22981), (2479, 20923), (2989, 17353), (3283, 15799), (4087, 12691)]