81279814

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47981}}^1$

素因数の和:48012

約数の個数: 24

約数和(自身を含む): 153158544

約数和(自身を除く): 71878730

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 47981, 95962, 335867, 527791, 671734, 1055582, 3694537, 5805701, 7389074, 11611402, 40639907, 81279814]

約数ペア:

[(1, 81279814), (2, 40639907), (7, 11611402), (11, 7389074), (14, 5805701), (22, 3694537), (77, 1055582), (121, 671734), (154, 527791), (242, 335867), (847, 95962), (1694, 47981)]