3998667344

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{268439}}^1$

素因数の和:268480

約数の個数: 60

約数和(自身を含む): 9486669600

約数和(自身を除く): 5488002256

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 392, 532, 784, 931, 1064, 1862, 2128, 3724, 7448, 14896, 268439, 536878, 1073756, 1879073, 2147512, 3758146, 4295024, 5100341, 7516292, 10200682, 13153511, 15032584, 20401364, 26307022, 30065168, 35702387, 40802728, 52614044, 71404774, 81605456, 105228088, 142809548, 210456176, 249916709, 285619096, 499833418, 571238192, 999666836, 1999333672, 3998667344]

約数ペア:

[(1, 3998667344), (2, 1999333672), (4, 999666836), (7, 571238192), (8, 499833418), (14, 285619096), (16, 249916709), (19, 210456176), (28, 142809548), (38, 105228088), (49, 81605456), (56, 71404774), (76, 52614044), (98, 40802728), (112, 35702387), (133, 30065168), (152, 26307022), (196, 20401364), (266, 15032584), (304, 13153511), (392, 10200682), (532, 7516292), (784, 5100341), (931, 4295024), (1064, 3758146), (1862, 2147512), (2128, 1879073), (3724, 1073756), (7448, 536878), (14896, 268439)]