81269048

素因数分解:

$2^3\times 7^4\times {\mathrm{4231}}^1$

素因数の和:4265

約数の個数: 40

約数和(自身を含む): 177807480

約数和(自身を除く): 96538432

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2401, 2744, 4231, 4802, 8462, 9604, 16924, 19208, 29617, 33848, 59234, 118468, 207319, 236936, 414638, 829276, 1451233, 1658552, 2902466, 5804932, 10158631, 11609864, 20317262, 40634524, 81269048]

約数ペア:

[(1, 81269048), (2, 40634524), (4, 20317262), (7, 11609864), (8, 10158631), (14, 5804932), (28, 2902466), (49, 1658552), (56, 1451233), (98, 829276), (196, 414638), (343, 236936), (392, 207319), (686, 118468), (1372, 59234), (2401, 33848), (2744, 29617), (4231, 19208), (4802, 16924), (8462, 9604)]