81087782

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{3329}}^1$

素因数の和:3991

約数の個数: 16

約数和(自身を含む): 128271600

約数和(自身を除く): 47183818

約数列:

[1, 2, 19, 38, 641, 1282, 3329, 6658, 12179, 24358, 63251, 126502, 2133889, 4267778, 40543891, 81087782]

約数ペア:

[(1, 81087782), (2, 40543891), (19, 4267778), (38, 2133889), (641, 126502), (1282, 63251), (3329, 24358), (6658, 12179)]