81278582

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3797}}^1$

素因数の和:3956

約数の個数: 32

約数和(自身を含む): 153135360

約数和(自身を除く): 71856778

約数列:

[1, 2, 7, 11, 14, 22, 77, 139, 154, 278, 973, 1529, 1946, 3058, 3797, 7594, 10703, 21406, 26579, 41767, 53158, 83534, 292369, 527783, 584738, 1055566, 3694481, 5805613, 7388962, 11611226, 40639291, 81278582]

約数ペア:

[(1, 81278582), (2, 40639291), (7, 11611226), (11, 7388962), (14, 5805613), (22, 3694481), (77, 1055566), (139, 584738), (154, 527783), (278, 292369), (973, 83534), (1529, 53158), (1946, 41767), (3058, 26579), (3797, 21406), (7594, 10703)]