12209515

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 15019776

約数和(自身を除く): 2810261

約数列:

[1, 5, 71, 163, 211, 355, 815, 1055, 11573, 14981, 34393, 57865, 74905, 171965, 2441903, 12209515]

約数ペア:

[(1, 12209515), (5, 2441903), (71, 171965), (163, 74905), (211, 57865), (355, 34393), (815, 14981), (1055, 11573)]