638248912

素因数分解:

$2^4\times 7^3\times {\mathrm{19}}^1\times {\mathrm{6121}}^1$

素因数の和:6169

約数の個数: 80

約数和(自身を含む): 1518256000

約数和(自身を除く): 880007088

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 343, 392, 532, 686, 784, 931, 1064, 1372, 1862, 2128, 2744, 3724, 5488, 6121, 6517, 7448, 12242, 13034, 14896, 24484, 26068, 42847, 48968, 52136, 85694, 97936, 104272, 116299, 171388, 232598, 299929, 342776, 465196, 599858, 685552, 814093, 930392, 1199716, 1628186, 1860784, 2099503, 2399432, 3256372, 4199006, 4798864, 5698651, 6512744, 8398012, 11397302, 13025488, 16796024, 22794604, 33592048, 39890557, 45589208, 79781114, 91178416, 159562228, 319124456, 638248912]

約数ペア:

[(1, 638248912), (2, 319124456), (4, 159562228), (7, 91178416), (8, 79781114), (14, 45589208), (16, 39890557), (19, 33592048), (28, 22794604), (38, 16796024), (49, 13025488), (56, 11397302), (76, 8398012), (98, 6512744), (112, 5698651), (133, 4798864), (152, 4199006), (196, 3256372), (266, 2399432), (304, 2099503), (343, 1860784), (392, 1628186), (532, 1199716), (686, 930392), (784, 814093), (931, 685552), (1064, 599858), (1372, 465196), (1862, 342776), (2128, 299929), (2744, 232598), (3724, 171388), (5488, 116299), (6121, 104272), (6517, 97936), (7448, 85694), (12242, 52136), (13034, 48968), (14896, 42847), (24484, 26068)]