81362848

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11717}}^1$

素因数の和:11765

約数の個数: 48

約数和(自身を含む): 188987904

約数和(自身を除く): 107625056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3472, 6944, 11717, 23434, 46868, 82019, 93736, 164038, 187472, 328076, 363227, 374944, 656152, 726454, 1312304, 1452908, 2542589, 2624608, 2905816, 5085178, 5811632, 10170356, 11623264, 20340712, 40681424, 81362848]

約数ペア:

[(1, 81362848), (2, 40681424), (4, 20340712), (7, 11623264), (8, 10170356), (14, 5811632), (16, 5085178), (28, 2905816), (31, 2624608), (32, 2542589), (56, 1452908), (62, 1312304), (112, 726454), (124, 656152), (217, 374944), (224, 363227), (248, 328076), (434, 187472), (496, 164038), (868, 93736), (992, 82019), (1736, 46868), (3472, 23434), (6944, 11717)]