31779913

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 37526976

約数和(自身を除く): 5747063

約数列:

[1, 11, 19, 53, 151, 209, 361, 583, 1007, 1661, 2869, 3971, 8003, 11077, 19133, 31559, 54511, 88033, 152057, 210463, 599621, 1672627, 2889083, 31779913]

約数ペア:

[(1, 31779913), (11, 2889083), (19, 1672627), (53, 599621), (151, 210463), (209, 152057), (361, 88033), (583, 54511), (1007, 31559), (1661, 19133), (2869, 11077), (3971, 8003)]