199977354

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{257}}^1\times {\mathrm{311}}^1$

素因数の和:715

約数の個数: 48

約数和(自身を含む): 439508160

約数和(自身を除く): 239530806

約数列:

[1, 2, 3, 6, 9, 18, 139, 257, 278, 311, 417, 514, 622, 771, 834, 933, 1251, 1542, 1866, 2313, 2502, 2799, 4626, 5598, 35723, 43229, 71446, 79927, 86458, 107169, 129687, 159854, 214338, 239781, 259374, 321507, 389061, 479562, 643014, 719343, 778122, 1438686, 11109853, 22219706, 33329559, 66659118, 99988677, 199977354]

約数ペア:

[(1, 199977354), (2, 99988677), (3, 66659118), (6, 33329559), (9, 22219706), (18, 11109853), (139, 1438686), (257, 778122), (278, 719343), (311, 643014), (417, 479562), (514, 389061), (622, 321507), (771, 259374), (834, 239781), (933, 214338), (1251, 159854), (1542, 129687), (1866, 107169), (2313, 86458), (2502, 79927), (2799, 71446), (4626, 43229), (5598, 35723)]