213579715

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{3691}}^1$

素因数の和:3930

約数の個数: 16

約数和(自身を含む): 261570816

約数和(自身を除く): 47991101

約数列:

[1, 5, 71, 163, 355, 815, 3691, 11573, 18455, 57865, 262061, 601633, 1310305, 3008165, 42715943, 213579715]

約数ペア:

[(1, 213579715), (5, 42715943), (71, 3008165), (163, 1310305), (355, 601633), (815, 262061), (3691, 57865), (11573, 18455)]