28431865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73849}}^1$

素因数の和:73872

約数の個数: 16

約数和(自身を含む): 42537600

約数和(自身を除く): 14105735

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 73849, 369245, 516943, 812339, 2584715, 4061695, 5686373, 28431865]

約数ペア:

[(1, 28431865), (5, 5686373), (7, 4061695), (11, 2584715), (35, 812339), (55, 516943), (77, 369245), (385, 73849)]