28355199

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{557}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 38568960

約数和(自身を除く): 10213761

約数列:

[1, 3, 71, 213, 239, 557, 717, 1671, 16969, 39547, 50907, 118641, 133123, 399369, 9451733, 28355199]

約数ペア:

[(1, 28355199), (3, 9451733), (71, 399369), (213, 133123), (239, 118641), (557, 50907), (717, 39547), (1671, 16969)]