81705238

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{19841}}^1$

素因数の和:19943

約数の個数: 16

約数和(自身を含む): 128576160

約数和(自身を除く): 46870922

約数列:

[1, 2, 29, 58, 71, 142, 2059, 4118, 19841, 39682, 575389, 1150778, 1408711, 2817422, 40852619, 81705238]

約数ペア:

[(1, 81705238), (2, 40852619), (29, 2817422), (58, 1408711), (71, 1150778), (142, 575389), (2059, 39682), (4118, 19841)]