81293938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{15461}}^1$

素因数の和:15713

約数の個数: 16

約数和(自身を含む): 133591680

約数和(自身を除く): 52297742

約数列:

[1, 2, 11, 22, 239, 478, 2629, 5258, 15461, 30922, 170071, 340142, 3695179, 7390358, 40646969, 81293938]

約数ペア:

[(1, 81293938), (2, 40646969), (11, 7390358), (22, 3695179), (239, 340142), (478, 170071), (2629, 30922), (5258, 15461)]