28429390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{258449}}^1$

素因数の和:258467

約数の個数: 16

約数和(自身を含む): 55825200

約数和(自身を除く): 27395810

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 258449, 516898, 1292245, 2584490, 2842939, 5685878, 14214695, 28429390]

約数ペア:

[(1, 28429390), (2, 14214695), (5, 5685878), (10, 2842939), (11, 2584490), (22, 1292245), (55, 516898), (110, 258449)]