28406672

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1907}}^1$

素因数の和:1948

約数の個数: 60

約数和(自身を含む): 67428720

約数和(自身を除く): 39022048

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, 1907, 2128, 3724, 3814, 7448, 7628, 13349, 14896, 15256, 26698, 30512, 36233, 53396, 72466, 93443, 106792, 144932, 186886, 213584, 253631, 289864, 373772, 507262, 579728, 747544, 1014524, 1495088, 1775417, 2029048, 3550834, 4058096, 7101668, 14203336, 28406672]

約数ペア:

[(1, 28406672), (2, 14203336), (4, 7101668), (7, 4058096), (8, 3550834), (14, 2029048), (16, 1775417), (19, 1495088), (28, 1014524), (38, 747544), (49, 579728), (56, 507262), (76, 373772), (98, 289864), (112, 253631), (133, 213584), (152, 186886), (196, 144932), (266, 106792), (304, 93443), (392, 72466), (532, 53396), (784, 36233), (931, 30512), (1064, 26698), (1862, 15256), (1907, 14896), (2128, 13349), (3724, 7628), (3814, 7448)]