1643728996

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 3786682368

約数和(自身を除く): 2142953372

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 37, 52, 62, 74, 91, 124, 127, 148, 182, 217, 254, 259, 364, 403, 434, 481, 508, 518, 806, 868, 889, 961, 962, 1036, 1147, 1612, 1651, 1778, 1922, 1924, 2294, 2821, 3302, 3367, 3556, 3844, 3937, 4588, 4699, 5642, 6604, 6727, 6734, 7874, 8029, 9398, 11284, 11557, 12493, 13454, 13468, 14911, 15748, 16058, 18796, 23114, 24986, 26908, 27559, 29822, 32116, 32893, 35557, 46228, 49972, 51181, 55118, 59644, 61087, 65786, 71114, 87451, 102362, 104377, 110236, 122047, 122174, 131572, 142228, 145669, 174902, 204724, 208754, 244094, 244348, 248899, 291338, 349804, 358267, 417508, 427609, 462241, 488188, 497798, 582676, 716534, 854329, 855218, 924482, 995596, 1019683, 1433068, 1586611, 1708658, 1710436, 1848964, 1893697, 2039366, 3173222, 3235687, 3417316, 3787394, 4078732, 4515739, 6346444, 6471374, 7574788, 9031478, 11106277, 12942748, 13255879, 18062956, 22212554, 26511758, 31610173, 44425108, 53023516, 58704607, 63220346, 117409214, 126440692, 234818428, 410932249, 821864498, 1643728996]

約数ペア:

[(1, 1643728996), (2, 821864498), (4, 410932249), (7, 234818428), (13, 126440692), (14, 117409214), (26, 63220346), (28, 58704607), (31, 53023516), (37, 44425108), (52, 31610173), (62, 26511758), (74, 22212554), (91, 18062956), (124, 13255879), (127, 12942748), (148, 11106277), (182, 9031478), (217, 7574788), (254, 6471374), (259, 6346444), (364, 4515739), (403, 4078732), (434, 3787394), (481, 3417316), (508, 3235687), (518, 3173222), (806, 2039366), (868, 1893697), (889, 1848964), (961, 1710436), (962, 1708658), (1036, 1586611), (1147, 1433068), (1612, 1019683), (1651, 995596), (1778, 924482), (1922, 855218), (1924, 854329), (2294, 716534), (2821, 582676), (3302, 497798), (3367, 488188), (3556, 462241), (3844, 427609), (3937, 417508), (4588, 358267), (4699, 349804), (5642, 291338), (6604, 248899), (6727, 244348), (6734, 244094), (7874, 208754), (8029, 204724), (9398, 174902), (11284, 145669), (11557, 142228), (12493, 131572), (13454, 122174), (13468, 122047), (14911, 110236), (15748, 104377), (16058, 102362), (18796, 87451), (23114, 71114), (24986, 65786), (26908, 61087), (27559, 59644), (29822, 55118), (32116, 51181), (32893, 49972), (35557, 46228)]