81939374

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{21529}}^1$

素因数の和:21715

約数の個数: 16

約数和(自身を含む): 134863920

約数和(自身を除く): 52924546

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 21529, 43058, 236819, 473638, 3724517, 7449034, 40969687, 81939374]

約数ペア:

[(1, 81939374), (2, 40969687), (11, 7449034), (22, 3724517), (173, 473638), (346, 236819), (1903, 43058), (3806, 21529)]