81648028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{265091}}^1$

素因数の和:265113

約数の個数: 24

約数和(自身を含む): 178141824

約数和(自身を除く): 96493796

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 265091, 530182, 1060364, 1855637, 2916001, 3711274, 5832002, 7422548, 11664004, 20412007, 40824014, 81648028]

約数ペア:

[(1, 81648028), (2, 40824014), (4, 20412007), (7, 11664004), (11, 7422548), (14, 5832002), (22, 3711274), (28, 2916001), (44, 1855637), (77, 1060364), (154, 530182), (308, 265091)]