28900805

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2791}}^1$

素因数の和:2924

約数の個数: 16

約数和(自身を含む): 36854400

約数和(自身を除く): 7953595

約数列:

[1, 5, 19, 95, 109, 545, 2071, 2791, 10355, 13955, 53029, 265145, 304219, 1521095, 5780161, 28900805]

約数ペア:

[(1, 28900805), (5, 5780161), (19, 1521095), (95, 304219), (109, 265145), (545, 53029), (2071, 13955), (2791, 10355)]