199910156

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{3889}}^1$

素因数の和:4145

約数の個数: 24

約数和(自身を含む): 356821920

約数和(自身を除く): 156911764

約数列:

[1, 2, 4, 71, 142, 181, 284, 362, 724, 3889, 7778, 12851, 15556, 25702, 51404, 276119, 552238, 703909, 1104476, 1407818, 2815636, 49977539, 99955078, 199910156]

約数ペア:

[(1, 199910156), (2, 99955078), (4, 49977539), (71, 2815636), (142, 1407818), (181, 1104476), (284, 703909), (362, 552238), (724, 276119), (3889, 51404), (7778, 25702), (12851, 15556)]