289443968

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{661}}^1$

素因数の和:997

約数の個数: 64

約数和(自身を含む): 632024640

約数和(自身を除く): 342580672

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 311, 352, 622, 661, 704, 1244, 1322, 1408, 2488, 2644, 3421, 4976, 5288, 6842, 7271, 9952, 10576, 13684, 14542, 19904, 21152, 27368, 29084, 39808, 42304, 54736, 58168, 84608, 109472, 116336, 205571, 218944, 232672, 411142, 437888, 465344, 822284, 930688, 1644568, 2261281, 3289136, 4522562, 6578272, 9045124, 13156544, 18090248, 26313088, 36180496, 72360992, 144721984, 289443968]

約数ペア:

[(1, 289443968), (2, 144721984), (4, 72360992), (8, 36180496), (11, 26313088), (16, 18090248), (22, 13156544), (32, 9045124), (44, 6578272), (64, 4522562), (88, 3289136), (128, 2261281), (176, 1644568), (311, 930688), (352, 822284), (622, 465344), (661, 437888), (704, 411142), (1244, 232672), (1322, 218944), (1408, 205571), (2488, 116336), (2644, 109472), (3421, 84608), (4976, 58168), (5288, 54736), (6842, 42304), (7271, 39808), (9952, 29084), (10576, 27368), (13684, 21152), (14542, 19904)]