199257968

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1279}}^1$

素因数の和:1414

約数の個数: 80

約数和(自身を含む): 479969280

約数和(自身を除く): 280711312

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 107, 112, 182, 208, 214, 364, 428, 728, 749, 856, 1279, 1391, 1456, 1498, 1712, 2558, 2782, 2996, 5116, 5564, 5992, 8953, 9737, 10232, 11128, 11984, 16627, 17906, 19474, 20464, 22256, 33254, 35812, 38948, 66508, 71624, 77896, 116389, 133016, 136853, 143248, 155792, 232778, 266032, 273706, 465556, 547412, 931112, 957971, 1094824, 1779089, 1862224, 1915942, 2189648, 3558178, 3831884, 7116356, 7663768, 12453623, 14232712, 15327536, 24907246, 28465424, 49814492, 99628984, 199257968]

約数ペア:

[(1, 199257968), (2, 99628984), (4, 49814492), (7, 28465424), (8, 24907246), (13, 15327536), (14, 14232712), (16, 12453623), (26, 7663768), (28, 7116356), (52, 3831884), (56, 3558178), (91, 2189648), (104, 1915942), (107, 1862224), (112, 1779089), (182, 1094824), (208, 957971), (214, 931112), (364, 547412), (428, 465556), (728, 273706), (749, 266032), (856, 232778), (1279, 155792), (1391, 143248), (1456, 136853), (1498, 133016), (1712, 116389), (2558, 77896), (2782, 71624), (2996, 66508), (5116, 38948), (5564, 35812), (5992, 33254), (8953, 22256), (9737, 20464), (10232, 19474), (11128, 17906), (11984, 16627)]