66781278

素因数分解:

$2^1\times 3^2\times {\mathrm{1741}}^1\times {\mathrm{2131}}^1$

素因数の和:3880

約数の個数: 24

約数和(自身を含む): 144843816

約数和(自身を除く): 78062538

約数列:

[1, 2, 3, 6, 9, 18, 1741, 2131, 3482, 4262, 5223, 6393, 10446, 12786, 15669, 19179, 31338, 38358, 3710071, 7420142, 11130213, 22260426, 33390639, 66781278]

約数ペア:

[(1, 66781278), (2, 33390639), (3, 22260426), (6, 11130213), (9, 7420142), (18, 3710071), (1741, 38358), (2131, 31338), (3482, 19179), (4262, 15669), (5223, 12786), (6393, 10446)]