81393118

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 130042080

約数和(自身を除く): 48648962

約数列:

[1, 2, 37, 41, 74, 82, 139, 193, 278, 386, 1517, 3034, 5143, 5699, 7141, 7913, 10286, 11398, 14282, 15826, 26827, 53654, 210863, 292781, 421726, 585562, 992599, 1099907, 1985198, 2199814, 40696559, 81393118]

約数ペア:

[(1, 81393118), (2, 40696559), (37, 2199814), (41, 1985198), (74, 1099907), (82, 992599), (139, 585562), (193, 421726), (278, 292781), (386, 210863), (1517, 53654), (3034, 26827), (5143, 15826), (5699, 14282), (7141, 11398), (7913, 10286)]