256190019

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{3413}}^1$

素因数の和:3738

約数の個数: 16

約数和(自身を含む): 346097664

約数和(自身を除く): 89907645

約数列:

[1, 3, 131, 191, 393, 573, 3413, 10239, 25021, 75063, 447103, 651883, 1341309, 1955649, 85396673, 256190019]

約数ペア:

[(1, 256190019), (3, 85396673), (131, 1955649), (191, 1341309), (393, 651883), (573, 447103), (3413, 75063), (10239, 25021)]