1256336816

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{126037}}^1$

素因数の和:126141

約数の個数: 40

約数和(自身を含む): 2813168160

約数和(自身を除く): 1556831344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 126037, 252074, 504148, 882259, 1008296, 1764518, 2016592, 3529036, 7058072, 11217293, 14116144, 22434586, 44869172, 78521051, 89738344, 157042102, 179476688, 314084204, 628168408, 1256336816]

約数ペア:

[(1, 1256336816), (2, 628168408), (4, 314084204), (7, 179476688), (8, 157042102), (14, 89738344), (16, 78521051), (28, 44869172), (56, 22434586), (89, 14116144), (112, 11217293), (178, 7058072), (356, 3529036), (623, 2016592), (712, 1764518), (1246, 1008296), (1424, 882259), (2492, 504148), (4984, 252074), (9968, 126037)]