16197805

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 21806280

約数和(自身を除く): 5608475

約数列:

[1, 5, 13, 29, 65, 145, 169, 377, 661, 845, 1885, 3305, 4901, 8593, 19169, 24505, 42965, 95845, 111709, 249197, 558545, 1245985, 3239561, 16197805]

約数ペア:

[(1, 16197805), (5, 3239561), (13, 1245985), (29, 558545), (65, 249197), (145, 111709), (169, 95845), (377, 42965), (661, 24505), (845, 19169), (1885, 8593), (3305, 4901)]