621450676

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:222

約数の個数: 144

約数和(自身を含む): 1448129536

約数和(自身を除く): 826678860

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 61, 62, 77, 97, 121, 122, 124, 154, 194, 217, 242, 244, 308, 341, 388, 427, 434, 484, 671, 679, 682, 847, 854, 868, 1067, 1342, 1358, 1364, 1694, 1708, 1891, 2134, 2387, 2684, 2716, 3007, 3388, 3751, 3782, 4268, 4697, 4774, 5917, 6014, 7381, 7469, 7502, 7564, 9394, 9548, 11737, 11834, 12028, 13237, 14762, 14938, 15004, 18788, 20801, 21049, 23474, 23668, 26257, 26474, 29524, 29876, 33077, 41419, 41602, 42098, 46948, 51667, 52514, 52948, 65087, 66154, 82159, 82838, 83204, 84196, 103334, 105028, 130174, 132308, 145607, 164318, 165676, 183427, 206668, 228811, 231539, 260348, 291214, 328636, 363847, 366854, 455609, 457622, 463078, 582428, 715957, 727694, 733708, 911218, 915244, 926156, 1283989, 1431914, 1455388, 1601677, 1822436, 2017697, 2546929, 2567978, 2863828, 3203354, 4035394, 5011699, 5093858, 5135956, 6406708, 8070788, 10023398, 10187716, 14123879, 20046796, 22194667, 28247758, 44389334, 56495516, 88778668, 155362669, 310725338, 621450676]

約数ペア:

[(1, 621450676), (2, 310725338), (4, 155362669), (7, 88778668), (11, 56495516), (14, 44389334), (22, 28247758), (28, 22194667), (31, 20046796), (44, 14123879), (61, 10187716), (62, 10023398), (77, 8070788), (97, 6406708), (121, 5135956), (122, 5093858), (124, 5011699), (154, 4035394), (194, 3203354), (217, 2863828), (242, 2567978), (244, 2546929), (308, 2017697), (341, 1822436), (388, 1601677), (427, 1455388), (434, 1431914), (484, 1283989), (671, 926156), (679, 915244), (682, 911218), (847, 733708), (854, 727694), (868, 715957), (1067, 582428), (1342, 463078), (1358, 457622), (1364, 455609), (1694, 366854), (1708, 363847), (1891, 328636), (2134, 291214), (2387, 260348), (2684, 231539), (2716, 228811), (3007, 206668), (3388, 183427), (3751, 165676), (3782, 164318), (4268, 145607), (4697, 132308), (4774, 130174), (5917, 105028), (6014, 103334), (7381, 84196), (7469, 83204), (7502, 82838), (7564, 82159), (9394, 66154), (9548, 65087), (11737, 52948), (11834, 52514), (12028, 51667), (13237, 46948), (14762, 42098), (14938, 41602), (15004, 41419), (18788, 33077), (20801, 29876), (21049, 29524), (23474, 26474), (23668, 26257)]