7921999904

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{691}}^1$

素因数の和:879

約数の個数: 192

約数和(自身を含む): 19999752192

約数和(自身を除く): 12077752288

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 91, 104, 112, 124, 127, 182, 208, 217, 224, 248, 254, 364, 403, 416, 434, 496, 508, 691, 728, 806, 868, 889, 992, 1016, 1382, 1456, 1612, 1651, 1736, 1778, 2032, 2764, 2821, 2912, 3224, 3302, 3472, 3556, 3937, 4064, 4837, 5528, 5642, 6448, 6604, 6944, 7112, 7874, 8983, 9674, 11056, 11284, 11557, 12896, 13208, 14224, 15748, 17966, 19348, 21421, 22112, 22568, 23114, 26416, 27559, 28448, 31496, 35932, 38696, 42842, 45136, 46228, 51181, 52832, 55118, 62881, 62992, 71864, 77392, 85684, 87757, 90272, 92456, 102362, 110236, 125762, 125984, 143728, 149947, 154784, 171368, 175514, 184912, 204724, 220472, 251524, 278473, 287456, 299894, 342736, 351028, 358267, 369824, 409448, 440944, 503048, 556946, 599788, 614299, 685472, 702056, 716534, 818896, 881888, 1006096, 1113892, 1140841, 1199576, 1228598, 1404112, 1433068, 1637792, 1949311, 2012192, 2227784, 2281682, 2399152, 2457196, 2720467, 2808224, 2866136, 3898622, 4455568, 4563364, 4798304, 4914392, 5440934, 5732272, 7797244, 7985887, 8911136, 9126728, 9828784, 10881868, 11464544, 15594488, 15971774, 18253456, 19043269, 19657568, 21763736, 31188976, 31943548, 35366071, 36506912, 38086538, 43527472, 62377952, 63887096, 70732142, 76173076, 87054944, 127774192, 141464284, 152346152, 247562497, 255548384, 282928568, 304692304, 495124994, 565857136, 609384608, 990249988, 1131714272, 1980499976, 3960999952, 7921999904]

約数ペア:

[(1, 7921999904), (2, 3960999952), (4, 1980499976), (7, 1131714272), (8, 990249988), (13, 609384608), (14, 565857136), (16, 495124994), (26, 304692304), (28, 282928568), (31, 255548384), (32, 247562497), (52, 152346152), (56, 141464284), (62, 127774192), (91, 87054944), (104, 76173076), (112, 70732142), (124, 63887096), (127, 62377952), (182, 43527472), (208, 38086538), (217, 36506912), (224, 35366071), (248, 31943548), (254, 31188976), (364, 21763736), (403, 19657568), (416, 19043269), (434, 18253456), (496, 15971774), (508, 15594488), (691, 11464544), (728, 10881868), (806, 9828784), (868, 9126728), (889, 8911136), (992, 7985887), (1016, 7797244), (1382, 5732272), (1456, 5440934), (1612, 4914392), (1651, 4798304), (1736, 4563364), (1778, 4455568), (2032, 3898622), (2764, 2866136), (2821, 2808224), (2912, 2720467), (3224, 2457196), (3302, 2399152), (3472, 2281682), (3556, 2227784), (3937, 2012192), (4064, 1949311), (4837, 1637792), (5528, 1433068), (5642, 1404112), (6448, 1228598), (6604, 1199576), (6944, 1140841), (7112, 1113892), (7874, 1006096), (8983, 881888), (9674, 818896), (11056, 716534), (11284, 702056), (11557, 685472), (12896, 614299), (13208, 599788), (14224, 556946), (15748, 503048), (17966, 440944), (19348, 409448), (21421, 369824), (22112, 358267), (22568, 351028), (23114, 342736), (26416, 299894), (27559, 287456), (28448, 278473), (31496, 251524), (35932, 220472), (38696, 204724), (42842, 184912), (45136, 175514), (46228, 171368), (51181, 154784), (52832, 149947), (55118, 143728), (62881, 125984), (62992, 125762), (71864, 110236), (77392, 102362), (85684, 92456), (87757, 90272)]