645679552

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:546

約数の個数: 112

約数和(自身を含む): 1540288512

約数和(自身を除く): 894608960

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 161, 184, 223, 224, 281, 322, 368, 446, 448, 562, 644, 736, 892, 1124, 1288, 1472, 1561, 1784, 1967, 2248, 2576, 3122, 3568, 3934, 4496, 5129, 5152, 6244, 6463, 7136, 7868, 8992, 10258, 10304, 12488, 12926, 14272, 15736, 17984, 20516, 24976, 25852, 31472, 35903, 41032, 45241, 49952, 51704, 62663, 62944, 71806, 82064, 90482, 99904, 103408, 125326, 125888, 143612, 164128, 180964, 206816, 250652, 287224, 328256, 361928, 413632, 438641, 501304, 574448, 723856, 877282, 1002608, 1148896, 1441249, 1447712, 1754564, 2005216, 2297792, 2882498, 2895424, 3509128, 4010432, 5764996, 7018256, 10088743, 11529992, 14036512, 20177486, 23059984, 28073024, 40354972, 46119968, 80709944, 92239936, 161419888, 322839776, 645679552]

約数ペア:

[(1, 645679552), (2, 322839776), (4, 161419888), (7, 92239936), (8, 80709944), (14, 46119968), (16, 40354972), (23, 28073024), (28, 23059984), (32, 20177486), (46, 14036512), (56, 11529992), (64, 10088743), (92, 7018256), (112, 5764996), (161, 4010432), (184, 3509128), (223, 2895424), (224, 2882498), (281, 2297792), (322, 2005216), (368, 1754564), (446, 1447712), (448, 1441249), (562, 1148896), (644, 1002608), (736, 877282), (892, 723856), (1124, 574448), (1288, 501304), (1472, 438641), (1561, 413632), (1784, 361928), (1967, 328256), (2248, 287224), (2576, 250652), (3122, 206816), (3568, 180964), (3934, 164128), (4496, 143612), (5129, 125888), (5152, 125326), (6244, 103408), (6463, 99904), (7136, 90482), (7868, 82064), (8992, 71806), (10258, 62944), (10304, 62663), (12488, 51704), (12926, 49952), (14272, 45241), (15736, 41032), (17984, 35903), (20516, 31472), (24976, 25852)]