12778864

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1607}}^1$

素因数の和:1693

約数の個数: 40

約数和(自身を含む): 28712448

約数和(自身を除く): 15933584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1607, 1988, 3214, 3976, 6428, 7952, 11249, 12856, 22498, 25712, 44996, 89992, 114097, 179984, 228194, 456388, 798679, 912776, 1597358, 1825552, 3194716, 6389432, 12778864]

約数ペア:

[(1, 12778864), (2, 6389432), (4, 3194716), (7, 1825552), (8, 1597358), (14, 912776), (16, 798679), (28, 456388), (56, 228194), (71, 179984), (112, 114097), (142, 89992), (284, 44996), (497, 25712), (568, 22498), (994, 12856), (1136, 11249), (1607, 7952), (1988, 6428), (3214, 3976)]