81355622

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1\times {\mathrm{1297}}^1$

素因数の和:1775

約数の個数: 16

約数和(自身を含む): 123984960

約数和(自身を除く): 42629338

約数列:

[1, 2, 79, 158, 397, 794, 1297, 2594, 31363, 62726, 102463, 204926, 514909, 1029818, 40677811, 81355622]

約数ペア:

[(1, 81355622), (2, 40677811), (79, 1029818), (158, 514909), (397, 204926), (794, 102463), (1297, 62726), (2594, 31363)]