194487839

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2161}}^1$

素因数の和:2247

約数の個数: 32

約数和(自身を含む): 255704064

約数和(自身を除く): 61216225

約数列:

[1, 7, 13, 23, 43, 91, 161, 299, 301, 559, 989, 2093, 2161, 3913, 6923, 12857, 15127, 28093, 49703, 89999, 92923, 196651, 347921, 646139, 650461, 1207999, 2137229, 4522973, 8455993, 14960603, 27783977, 194487839]

約数ペア:

[(1, 194487839), (7, 27783977), (13, 14960603), (23, 8455993), (43, 4522973), (91, 2137229), (161, 1207999), (299, 650461), (301, 646139), (559, 347921), (989, 196651), (2093, 92923), (2161, 89999), (3913, 49703), (6923, 28093), (12857, 15127)]