642181722

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{601}}^1$

素因数の和:748

約数の個数: 128

約数和(自身を含む): 1682903040

約数和(自身を除く): 1040721318

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 103, 114, 133, 182, 206, 247, 266, 273, 309, 399, 494, 546, 601, 618, 721, 741, 798, 1202, 1339, 1442, 1482, 1729, 1803, 1957, 2163, 2678, 3458, 3606, 3914, 4017, 4207, 4326, 5187, 5871, 7813, 8034, 8414, 9373, 10374, 11419, 11742, 12621, 13699, 15626, 18746, 22838, 23439, 25242, 25441, 27398, 28119, 34257, 41097, 46878, 50882, 54691, 56238, 61903, 68514, 76323, 79933, 82194, 109382, 123806, 148447, 152646, 159866, 164073, 178087, 185709, 239799, 296894, 328146, 356174, 371418, 433321, 445341, 479598, 534261, 804739, 866642, 890682, 1039129, 1068522, 1176157, 1299963, 1609478, 2078258, 2352314, 2414217, 2599926, 3117387, 3528471, 4828434, 5633173, 6234774, 7056942, 8233099, 11266346, 15290041, 16466198, 16899519, 24699297, 30580082, 33799038, 45870123, 49398594, 91740246, 107030287, 214060574, 321090861, 642181722]

約数ペア:

[(1, 642181722), (2, 321090861), (3, 214060574), (6, 107030287), (7, 91740246), (13, 49398594), (14, 45870123), (19, 33799038), (21, 30580082), (26, 24699297), (38, 16899519), (39, 16466198), (42, 15290041), (57, 11266346), (78, 8233099), (91, 7056942), (103, 6234774), (114, 5633173), (133, 4828434), (182, 3528471), (206, 3117387), (247, 2599926), (266, 2414217), (273, 2352314), (309, 2078258), (399, 1609478), (494, 1299963), (546, 1176157), (601, 1068522), (618, 1039129), (721, 890682), (741, 866642), (798, 804739), (1202, 534261), (1339, 479598), (1442, 445341), (1482, 433321), (1729, 371418), (1803, 356174), (1957, 328146), (2163, 296894), (2678, 239799), (3458, 185709), (3606, 178087), (3914, 164073), (4017, 159866), (4207, 152646), (4326, 148447), (5187, 123806), (5871, 109382), (7813, 82194), (8034, 79933), (8414, 76323), (9373, 68514), (10374, 61903), (11419, 56238), (11742, 54691), (12621, 50882), (13699, 46878), (15626, 41097), (18746, 34257), (22838, 28119), (23439, 27398), (25242, 25441)]