1997490352

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:411

約数の個数: 160

約数和(自身を含む): 4729697280

約数和(自身を除く): 2732206928

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 43, 44, 52, 79, 86, 88, 104, 143, 158, 172, 176, 208, 257, 286, 316, 344, 473, 514, 559, 572, 632, 688, 869, 946, 1027, 1028, 1118, 1144, 1264, 1738, 1892, 2054, 2056, 2236, 2288, 2827, 3341, 3397, 3476, 3784, 4108, 4112, 4472, 5654, 6149, 6682, 6794, 6952, 7568, 8216, 8944, 11051, 11297, 11308, 12298, 13364, 13588, 13904, 16432, 20303, 22102, 22594, 22616, 24596, 26728, 27176, 36751, 37367, 40606, 44161, 44204, 45188, 45232, 49192, 53456, 54352, 73502, 74734, 81212, 88322, 88408, 90376, 98384, 121561, 143663, 147004, 149468, 162424, 176644, 176816, 180752, 223333, 243122, 263939, 287326, 294008, 298936, 324848, 353288, 446666, 485771, 486244, 527878, 574652, 588016, 597872, 706576, 873029, 893332, 971542, 972488, 1055756, 1149304, 1580293, 1746058, 1786664, 1943084, 1944976, 2111512, 2298608, 2903329, 3160586, 3492116, 3573328, 3886168, 4223024, 5806658, 6321172, 6984232, 7772336, 9603319, 11349377, 11613316, 12642344, 13968464, 19206638, 22698754, 23226632, 25284688, 38413276, 45397508, 46453264, 76826552, 90795016, 124843147, 153653104, 181590032, 249686294, 499372588, 998745176, 1997490352]

約数ペア:

[(1, 1997490352), (2, 998745176), (4, 499372588), (8, 249686294), (11, 181590032), (13, 153653104), (16, 124843147), (22, 90795016), (26, 76826552), (43, 46453264), (44, 45397508), (52, 38413276), (79, 25284688), (86, 23226632), (88, 22698754), (104, 19206638), (143, 13968464), (158, 12642344), (172, 11613316), (176, 11349377), (208, 9603319), (257, 7772336), (286, 6984232), (316, 6321172), (344, 5806658), (473, 4223024), (514, 3886168), (559, 3573328), (572, 3492116), (632, 3160586), (688, 2903329), (869, 2298608), (946, 2111512), (1027, 1944976), (1028, 1943084), (1118, 1786664), (1144, 1746058), (1264, 1580293), (1738, 1149304), (1892, 1055756), (2054, 972488), (2056, 971542), (2236, 893332), (2288, 873029), (2827, 706576), (3341, 597872), (3397, 588016), (3476, 574652), (3784, 527878), (4108, 486244), (4112, 485771), (4472, 446666), (5654, 353288), (6149, 324848), (6682, 298936), (6794, 294008), (6952, 287326), (7568, 263939), (8216, 243122), (8944, 223333), (11051, 180752), (11297, 176816), (11308, 176644), (12298, 162424), (13364, 149468), (13588, 147004), (13904, 143663), (16432, 121561), (20303, 98384), (22102, 90376), (22594, 88408), (22616, 88322), (24596, 81212), (26728, 74734), (27176, 73502), (36751, 54352), (37367, 53456), (40606, 49192), (44161, 45232), (44204, 45188)]