30990728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{227873}}^1$

素因数の和:227896

約数の個数: 16

約数和(自身を含む): 61525980

約数和(自身を除く): 30535252

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 227873, 455746, 911492, 1822984, 3873841, 7747682, 15495364, 30990728]

約数ペア:

[(1, 30990728), (2, 15495364), (4, 7747682), (8, 3873841), (17, 1822984), (34, 911492), (68, 455746), (136, 227873)]