81781908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{524243}}^1$

素因数の和:524263

約数の個数: 24

約数和(自身を含む): 205503648

約数和(自身を除く): 123721740

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 524243, 1048486, 1572729, 2096972, 3145458, 6290916, 6815159, 13630318, 20445477, 27260636, 40890954, 81781908]

約数ペア:

[(1, 81781908), (2, 40890954), (3, 27260636), (4, 20445477), (6, 13630318), (12, 6815159), (13, 6290916), (26, 3145458), (39, 2096972), (52, 1572729), (78, 1048486), (156, 524243)]