81507802

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{4201}}^1$

素因数の和:4401

約数の個数: 16

約数和(自身を含む): 124799400

約数和(自身を除く): 43291598

約数列:

[1, 2, 89, 109, 178, 218, 4201, 8402, 9701, 19402, 373889, 457909, 747778, 915818, 40753901, 81507802]

約数ペア:

[(1, 81507802), (2, 40753901), (89, 915818), (109, 747778), (178, 457909), (218, 373889), (4201, 19402), (8402, 9701)]