639213036

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2671}}^1$

素因数の和:2740

約数の個数: 144

約数和(自身を含む): 1944617472

約数和(自身を除く): 1305404436

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 37, 42, 44, 49, 66, 74, 77, 84, 98, 111, 132, 147, 148, 154, 196, 222, 231, 259, 294, 308, 407, 444, 462, 518, 539, 588, 777, 814, 924, 1036, 1078, 1221, 1554, 1617, 1628, 1813, 2156, 2442, 2671, 2849, 3108, 3234, 3626, 4884, 5342, 5439, 5698, 6468, 7252, 8013, 8547, 10684, 10878, 11396, 16026, 17094, 18697, 19943, 21756, 29381, 32052, 34188, 37394, 39886, 56091, 58762, 59829, 74788, 79772, 88143, 98827, 112182, 117524, 119658, 130879, 176286, 197654, 205667, 224364, 239316, 261758, 296481, 352572, 392637, 395308, 411334, 523516, 592962, 617001, 691789, 785274, 822668, 1087097, 1185924, 1234002, 1383578, 1439669, 1570548, 2075367, 2174194, 2468004, 2767156, 2879338, 3261291, 4150734, 4319007, 4348388, 4842523, 5758676, 6522582, 7609679, 8301468, 8638014, 9685046, 13045164, 14527569, 15219358, 17276028, 19370092, 22829037, 29055138, 30438716, 45658074, 53267753, 58110276, 91316148, 106535506, 159803259, 213071012, 319606518, 639213036]

約数ペア:

[(1, 639213036), (2, 319606518), (3, 213071012), (4, 159803259), (6, 106535506), (7, 91316148), (11, 58110276), (12, 53267753), (14, 45658074), (21, 30438716), (22, 29055138), (28, 22829037), (33, 19370092), (37, 17276028), (42, 15219358), (44, 14527569), (49, 13045164), (66, 9685046), (74, 8638014), (77, 8301468), (84, 7609679), (98, 6522582), (111, 5758676), (132, 4842523), (147, 4348388), (148, 4319007), (154, 4150734), (196, 3261291), (222, 2879338), (231, 2767156), (259, 2468004), (294, 2174194), (308, 2075367), (407, 1570548), (444, 1439669), (462, 1383578), (518, 1234002), (539, 1185924), (588, 1087097), (777, 822668), (814, 785274), (924, 691789), (1036, 617001), (1078, 592962), (1221, 523516), (1554, 411334), (1617, 395308), (1628, 392637), (1813, 352572), (2156, 296481), (2442, 261758), (2671, 239316), (2849, 224364), (3108, 205667), (3234, 197654), (3626, 176286), (4884, 130879), (5342, 119658), (5439, 117524), (5698, 112182), (6468, 98827), (7252, 88143), (8013, 79772), (8547, 74788), (10684, 59829), (10878, 58762), (11396, 56091), (16026, 39886), (17094, 37394), (18697, 34188), (19943, 32052), (21756, 29381)]