638756816

素因数分解:

$2^4\times {\mathrm{1163}}^1\times {\mathrm{34327}}^1$

素因数の和:35498

約数の個数: 20

約数和(自身を含む): 1238691552

約数和(自身を除く): 599934736

約数列:

[1, 2, 4, 8, 16, 1163, 2326, 4652, 9304, 18608, 34327, 68654, 137308, 274616, 549232, 39922301, 79844602, 159689204, 319378408, 638756816]

約数ペア:

[(1, 638756816), (2, 319378408), (4, 159689204), (8, 79844602), (16, 39922301), (1163, 549232), (2326, 274616), (4652, 137308), (9304, 68654), (18608, 34327)]