77981138388

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1\times {\mathrm{1171}}^1$

素因数の和:1718

約数の個数: 144

約数和(自身を含む): 205718909760

約数和(自身を除く): 127737771372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 227, 261, 281, 348, 454, 522, 562, 681, 843, 908, 1044, 1124, 1171, 1362, 1686, 2043, 2342, 2529, 2724, 3372, 3513, 4086, 4684, 5058, 6583, 7026, 8149, 8172, 10116, 10539, 13166, 14052, 16298, 19749, 21078, 24447, 26332, 32596, 33959, 39498, 42156, 48894, 59247, 63787, 67918, 73341, 78996, 97788, 101877, 118494, 127574, 135836, 146682, 191361, 203754, 236988, 255148, 265817, 293364, 305631, 329051, 382722, 407508, 531634, 574083, 611262, 658102, 765444, 797451, 987153, 1063268, 1148166, 1222524, 1316204, 1594902, 1849823, 1974306, 2296332, 2392353, 2961459, 3189804, 3699646, 3948612, 4784706, 5549469, 5922918, 7399292, 7708693, 9542479, 9569412, 11098938, 11845836, 15417386, 16648407, 19084958, 22197876, 23126079, 28627437, 30834772, 33296814, 38169916, 46252158, 57254874, 66593628, 69378237, 74694577, 85882311, 92504316, 114509748, 138756474, 149389154, 171764622, 224083731, 277512948, 298778308, 343529244, 448167462, 672251193, 896334924, 1344502386, 2166142733, 2689004772, 4332285466, 6498428199, 8664570932, 12996856398, 19495284597, 25993712796, 38990569194, 77981138388]

約数ペア:

[(1, 77981138388), (2, 38990569194), (3, 25993712796), (4, 19495284597), (6, 12996856398), (9, 8664570932), (12, 6498428199), (18, 4332285466), (29, 2689004772), (36, 2166142733), (58, 1344502386), (87, 896334924), (116, 672251193), (174, 448167462), (227, 343529244), (261, 298778308), (281, 277512948), (348, 224083731), (454, 171764622), (522, 149389154), (562, 138756474), (681, 114509748), (843, 92504316), (908, 85882311), (1044, 74694577), (1124, 69378237), (1171, 66593628), (1362, 57254874), (1686, 46252158), (2043, 38169916), (2342, 33296814), (2529, 30834772), (2724, 28627437), (3372, 23126079), (3513, 22197876), (4086, 19084958), (4684, 16648407), (5058, 15417386), (6583, 11845836), (7026, 11098938), (8149, 9569412), (8172, 9542479), (10116, 7708693), (10539, 7399292), (13166, 5922918), (14052, 5549469), (16298, 4784706), (19749, 3948612), (21078, 3699646), (24447, 3189804), (26332, 2961459), (32596, 2392353), (33959, 2296332), (39498, 1974306), (42156, 1849823), (48894, 1594902), (59247, 1316204), (63787, 1222524), (67918, 1148166), (73341, 1063268), (78996, 987153), (97788, 797451), (101877, 765444), (118494, 658102), (127574, 611262), (135836, 574083), (146682, 531634), (191361, 407508), (203754, 382722), (236988, 329051), (255148, 305631), (265817, 293364)]