72447991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21881}}^1$

素因数の和:21942

約数の個数: 16

約数和(自身を含む): 92429568

約数和(自身を除く): 19981577

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 21881, 153167, 240691, 940883, 1684837, 6586181, 10349713, 72447991]

約数ペア:

[(1, 72447991), (7, 10349713), (11, 6586181), (43, 1684837), (77, 940883), (301, 240691), (473, 153167), (3311, 21881)]