81684344

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{76771}}^1$

素因数の和:76803

約数の個数: 32

約数和(自身を含む): 184252800

約数和(自身を除く): 102568456

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 76771, 153542, 307084, 537397, 614168, 1074794, 1458649, 2149588, 2917298, 4299176, 5834596, 10210543, 11669192, 20421086, 40842172, 81684344]

約数ペア:

[(1, 81684344), (2, 40842172), (4, 20421086), (7, 11669192), (8, 10210543), (14, 5834596), (19, 4299176), (28, 2917298), (38, 2149588), (56, 1458649), (76, 1074794), (133, 614168), (152, 537397), (266, 307084), (532, 153542), (1064, 76771)]