81841986

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2579}}^1$

素因数の和:2671

約数の個数: 48

約数和(自身を含む): 185945760

約数和(自身を除く): 104103774

約数列:

[1, 2, 3, 6, 9, 18, 41, 43, 82, 86, 123, 129, 246, 258, 369, 387, 738, 774, 1763, 2579, 3526, 5158, 5289, 7737, 10578, 15474, 15867, 23211, 31734, 46422, 105739, 110897, 211478, 221794, 317217, 332691, 634434, 665382, 951651, 998073, 1903302, 1996146, 4546777, 9093554, 13640331, 27280662, 40920993, 81841986]

約数ペア:

[(1, 81841986), (2, 40920993), (3, 27280662), (6, 13640331), (9, 9093554), (18, 4546777), (41, 1996146), (43, 1903302), (82, 998073), (86, 951651), (123, 665382), (129, 634434), (246, 332691), (258, 317217), (369, 221794), (387, 211478), (738, 110897), (774, 105739), (1763, 46422), (2579, 31734), (3526, 23211), (5158, 15867), (5289, 15474), (7737, 10578)]