1276721824

素因数分解:

$2^5\times 7^1\times {\mathrm{709}}^1\times {\mathrm{8039}}^1$

素因数の和:8765

約数の個数: 48

約数和(自身を含む): 2877033600

約数和(自身を除く): 1600311776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 709, 1418, 2836, 4963, 5672, 8039, 9926, 11344, 16078, 19852, 22688, 32156, 39704, 56273, 64312, 79408, 112546, 128624, 158816, 225092, 257248, 450184, 900368, 1800736, 5699651, 11399302, 22798604, 39897557, 45597208, 79795114, 91194416, 159590228, 182388832, 319180456, 638360912, 1276721824]

約数ペア:

[(1, 1276721824), (2, 638360912), (4, 319180456), (7, 182388832), (8, 159590228), (14, 91194416), (16, 79795114), (28, 45597208), (32, 39897557), (56, 22798604), (112, 11399302), (224, 5699651), (709, 1800736), (1418, 900368), (2836, 450184), (4963, 257248), (5672, 225092), (8039, 158816), (9926, 128624), (11344, 112546), (16078, 79408), (19852, 64312), (22688, 56273), (32156, 39704)]