57131347

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 74833920

約数和(自身を除く): 17702573

約数列:

[1, 7, 13, 19, 91, 133, 173, 191, 247, 1211, 1337, 1729, 2249, 2483, 3287, 3629, 15743, 17381, 23009, 25403, 33043, 42731, 47177, 231301, 299117, 330239, 429559, 627817, 3006913, 4394719, 8161621, 57131347]

約数ペア:

[(1, 57131347), (7, 8161621), (13, 4394719), (19, 3006913), (91, 627817), (133, 429559), (173, 330239), (191, 299117), (247, 231301), (1211, 47177), (1337, 42731), (1729, 33043), (2249, 25403), (2483, 23009), (3287, 17381), (3629, 15743)]