688425556

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:119

約数の個数: 144

約数和(自身を含む): 1624949760

約数和(自身を除く): 936524204

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 31, 38, 52, 62, 76, 91, 124, 133, 169, 182, 217, 247, 266, 338, 361, 364, 403, 434, 494, 532, 589, 676, 722, 806, 868, 988, 1178, 1183, 1444, 1612, 1729, 2197, 2356, 2366, 2527, 2821, 3211, 3458, 4123, 4394, 4693, 4732, 5054, 5239, 5642, 6422, 6916, 7657, 8246, 8788, 9386, 10108, 10478, 11191, 11284, 12844, 15314, 15379, 16492, 18772, 20956, 22382, 22477, 30628, 30758, 32851, 36673, 41743, 44764, 44954, 53599, 61009, 61516, 65702, 68107, 73346, 78337, 83486, 89908, 99541, 107198, 122018, 131404, 136214, 145483, 146692, 156674, 166972, 199082, 214396, 244036, 272428, 290966, 292201, 313348, 398164, 427063, 476749, 581932, 584402, 696787, 793117, 854126, 953498, 1018381, 1168804, 1294033, 1393574, 1586234, 1708252, 1891279, 1906996, 2036762, 2588066, 2787148, 3172468, 3782558, 4073524, 5176132, 5551819, 7565116, 9058231, 11103638, 13238953, 18116462, 22207276, 24586627, 26477906, 36232924, 49173254, 52955812, 98346508, 172106389, 344212778, 688425556]

約数ペア:

[(1, 688425556), (2, 344212778), (4, 172106389), (7, 98346508), (13, 52955812), (14, 49173254), (19, 36232924), (26, 26477906), (28, 24586627), (31, 22207276), (38, 18116462), (52, 13238953), (62, 11103638), (76, 9058231), (91, 7565116), (124, 5551819), (133, 5176132), (169, 4073524), (182, 3782558), (217, 3172468), (247, 2787148), (266, 2588066), (338, 2036762), (361, 1906996), (364, 1891279), (403, 1708252), (434, 1586234), (494, 1393574), (532, 1294033), (589, 1168804), (676, 1018381), (722, 953498), (806, 854126), (868, 793117), (988, 696787), (1178, 584402), (1183, 581932), (1444, 476749), (1612, 427063), (1729, 398164), (2197, 313348), (2356, 292201), (2366, 290966), (2527, 272428), (2821, 244036), (3211, 214396), (3458, 199082), (4123, 166972), (4394, 156674), (4693, 146692), (4732, 145483), (5054, 136214), (5239, 131404), (5642, 122018), (6422, 107198), (6916, 99541), (7657, 89908), (8246, 83486), (8788, 78337), (9386, 73346), (10108, 68107), (10478, 65702), (11191, 61516), (11284, 61009), (12844, 53599), (15314, 44954), (15379, 44764), (16492, 41743), (18772, 36673), (20956, 32851), (22382, 30758), (22477, 30628)]