81867352

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{76943}}^1$

素因数の和:76975

約数の個数: 32

約数和(自身を含む): 184665600

約数和(自身を除く): 102798248

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 76943, 153886, 307772, 538601, 615544, 1077202, 1461917, 2154404, 2923834, 4308808, 5847668, 10233419, 11695336, 20466838, 40933676, 81867352]

約数ペア:

[(1, 81867352), (2, 40933676), (4, 20466838), (7, 11695336), (8, 10233419), (14, 5847668), (19, 4308808), (28, 2923834), (38, 2154404), (56, 1461917), (76, 1077202), (133, 615544), (152, 538601), (266, 307772), (532, 153886), (1064, 76943)]