664831376

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9661}}^1$

素因数の和:9720

約数の個数: 80

約数和(自身を含む): 1552722048

約数和(自身を除く): 887890672

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 23, 34, 44, 46, 68, 88, 92, 136, 176, 184, 187, 253, 272, 368, 374, 391, 506, 748, 782, 1012, 1496, 1564, 2024, 2992, 3128, 4048, 4301, 6256, 8602, 9661, 17204, 19322, 34408, 38644, 68816, 77288, 106271, 154576, 164237, 212542, 222203, 328474, 425084, 444406, 656948, 850168, 888812, 1313896, 1700336, 1777624, 1806607, 2444233, 2627792, 3555248, 3613214, 3777451, 4888466, 7226428, 7554902, 9776932, 14452856, 15109804, 19553864, 28905712, 30219608, 39107728, 41551961, 60439216, 83103922, 166207844, 332415688, 664831376]

約数ペア:

[(1, 664831376), (2, 332415688), (4, 166207844), (8, 83103922), (11, 60439216), (16, 41551961), (17, 39107728), (22, 30219608), (23, 28905712), (34, 19553864), (44, 15109804), (46, 14452856), (68, 9776932), (88, 7554902), (92, 7226428), (136, 4888466), (176, 3777451), (184, 3613214), (187, 3555248), (253, 2627792), (272, 2444233), (368, 1806607), (374, 1777624), (391, 1700336), (506, 1313896), (748, 888812), (782, 850168), (1012, 656948), (1496, 444406), (1564, 425084), (2024, 328474), (2992, 222203), (3128, 212542), (4048, 164237), (4301, 154576), (6256, 106271), (8602, 77288), (9661, 68816), (17204, 38644), (19322, 34408)]