28197792

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:291

約数の個数: 144

約数和(自身を含む): 93405312

約数和(自身を除く): 65207520

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 71, 72, 84, 96, 112, 126, 142, 144, 168, 197, 213, 224, 252, 284, 288, 336, 394, 426, 497, 504, 568, 591, 639, 672, 788, 852, 994, 1008, 1136, 1182, 1278, 1379, 1491, 1576, 1704, 1773, 1988, 2016, 2272, 2364, 2556, 2758, 2982, 3152, 3408, 3546, 3976, 4137, 4473, 4728, 5112, 5516, 5964, 6304, 6816, 7092, 7952, 8274, 8946, 9456, 10224, 11032, 11928, 12411, 13987, 14184, 15904, 16548, 17892, 18912, 20448, 22064, 23856, 24822, 27974, 28368, 33096, 35784, 41961, 44128, 47712, 49644, 55948, 56736, 66192, 71568, 83922, 97909, 99288, 111896, 125883, 132384, 143136, 167844, 195818, 198576, 223792, 251766, 293727, 335688, 391636, 397152, 447584, 503532, 587454, 671376, 783272, 881181, 1007064, 1174908, 1342752, 1566544, 1762362, 2014128, 2349816, 3133088, 3524724, 4028256, 4699632, 7049448, 9399264, 14098896, 28197792]

約数ペア:

[(1, 28197792), (2, 14098896), (3, 9399264), (4, 7049448), (6, 4699632), (7, 4028256), (8, 3524724), (9, 3133088), (12, 2349816), (14, 2014128), (16, 1762362), (18, 1566544), (21, 1342752), (24, 1174908), (28, 1007064), (32, 881181), (36, 783272), (42, 671376), (48, 587454), (56, 503532), (63, 447584), (71, 397152), (72, 391636), (84, 335688), (96, 293727), (112, 251766), (126, 223792), (142, 198576), (144, 195818), (168, 167844), (197, 143136), (213, 132384), (224, 125883), (252, 111896), (284, 99288), (288, 97909), (336, 83922), (394, 71568), (426, 66192), (497, 56736), (504, 55948), (568, 49644), (591, 47712), (639, 44128), (672, 41961), (788, 35784), (852, 33096), (994, 28368), (1008, 27974), (1136, 24822), (1182, 23856), (1278, 22064), (1379, 20448), (1491, 18912), (1576, 17892), (1704, 16548), (1773, 15904), (1988, 14184), (2016, 13987), (2272, 12411), (2364, 11928), (2556, 11032), (2758, 10224), (2982, 9456), (3152, 8946), (3408, 8274), (3546, 7952), (3976, 7092), (4137, 6816), (4473, 6304), (4728, 5964), (5112, 5516)]