81739866

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{15641}}^1$

素因数の和:15726

約数の個数: 32

約数和(自身を含む): 178694208

約数和(自身を除く): 96954342

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 5226, 15641, 31282, 46923, 93846, 203333, 406666, 609999, 1047947, 1219998, 2095894, 3143841, 6287682, 13623311, 27246622, 40869933, 81739866]

約数ペア:

[(1, 81739866), (2, 40869933), (3, 27246622), (6, 13623311), (13, 6287682), (26, 3143841), (39, 2095894), (67, 1219998), (78, 1047947), (134, 609999), (201, 406666), (402, 203333), (871, 93846), (1742, 46923), (2613, 31282), (5226, 15641)]