81765864

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{18617}}^1$

素因数の和:18690

約数の個数: 48

約数和(自身を含む): 225091620

約数和(自身を除く): 143325756

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4392, 18617, 37234, 55851, 74468, 111702, 148936, 167553, 223404, 335106, 446808, 670212, 1135637, 1340424, 2271274, 3406911, 4542548, 6813822, 9085096, 10220733, 13627644, 20441466, 27255288, 40882932, 81765864]

約数ペア:

[(1, 81765864), (2, 40882932), (3, 27255288), (4, 20441466), (6, 13627644), (8, 10220733), (9, 9085096), (12, 6813822), (18, 4542548), (24, 3406911), (36, 2271274), (61, 1340424), (72, 1135637), (122, 670212), (183, 446808), (244, 335106), (366, 223404), (488, 167553), (549, 148936), (732, 111702), (1098, 74468), (1464, 55851), (2196, 37234), (4392, 18617)]