2781724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 5354496

約数和(自身を除く): 2572772

約数列:

[1, 2, 4, 11, 22, 44, 191, 331, 382, 662, 764, 1324, 2101, 3641, 4202, 7282, 8404, 14564, 63221, 126442, 252884, 695431, 1390862, 2781724]

約数ペア:

[(1, 2781724), (2, 1390862), (4, 695431), (11, 252884), (22, 126442), (44, 63221), (191, 14564), (331, 8404), (382, 7282), (662, 4202), (764, 3641), (1324, 2101)]