1268656816

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{492491}}^1$

素因数の和:492529

約数の個数: 40

約数和(自身を含む): 2931312384

約数和(自身を除く): 1662655568

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 492491, 984982, 1969964, 3447437, 3939928, 6894874, 7879856, 11327293, 13789748, 22654586, 27579496, 45309172, 55158992, 79291051, 90618344, 158582102, 181236688, 317164204, 634328408, 1268656816]

約数ペア:

[(1, 1268656816), (2, 634328408), (4, 317164204), (7, 181236688), (8, 158582102), (14, 90618344), (16, 79291051), (23, 55158992), (28, 45309172), (46, 27579496), (56, 22654586), (92, 13789748), (112, 11327293), (161, 7879856), (184, 6894874), (322, 3939928), (368, 3447437), (644, 1969964), (1288, 984982), (2576, 492491)]