31287788

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{8039}}^1$

素因数の和:8189

約数の個数: 24

約数和(自身を含む): 63033600

約数和(自身を除く): 31745812

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 8039, 16078, 32156, 56273, 112546, 225092, 1117421, 2234842, 4469684, 7821947, 15643894, 31287788]

約数ペア:

[(1, 31287788), (2, 15643894), (4, 7821947), (7, 4469684), (14, 2234842), (28, 1117421), (139, 225092), (278, 112546), (556, 56273), (973, 32156), (1946, 16078), (3892, 8039)]