81706394

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{1231}}^1$

素因数の和:1682

約数の個数: 32

約数和(自身を含む): 153280512

約数和(自身を除く): 71574118

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 431, 862, 1231, 2462, 3017, 4741, 6034, 8617, 9482, 13541, 17234, 27082, 33187, 66374, 94787, 189574, 530561, 1061122, 3713927, 5836171, 7427854, 11672342, 40853197, 81706394]

約数ペア:

[(1, 81706394), (2, 40853197), (7, 11672342), (11, 7427854), (14, 5836171), (22, 3713927), (77, 1061122), (154, 530561), (431, 189574), (862, 94787), (1231, 66374), (2462, 33187), (3017, 27082), (4741, 17234), (6034, 13541), (8617, 9482)]