821465612

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{1697243}}^1$

素因数の和:1697269

約数の個数: 18

約数和(自身を含む): 1580134164

約数和(自身を除く): 758668552

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1697243, 3394486, 6788972, 18669673, 37339346, 74678692, 205366403, 410732806, 821465612]

約数ペア:

[(1, 821465612), (2, 410732806), (4, 205366403), (11, 74678692), (22, 37339346), (44, 18669673), (121, 6788972), (242, 3394486), (484, 1697243)]