290289581

素因数分解:

${\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1\times {\mathrm{523}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 309872640

約数和(自身を除く): 19583059

約数列:

[1, 19, 131, 223, 523, 2489, 4237, 9937, 29213, 68513, 116629, 555047, 1301747, 2215951, 15278399, 290289581]

約数ペア:

[(1, 290289581), (19, 15278399), (131, 2215951), (223, 1301747), (523, 555047), (2489, 116629), (4237, 68513), (9937, 29213)]