81971204

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{41233}}^1$

素因数の和:41315

約数の個数: 24

約数和(自身を含む): 166255488

約数和(自身を除く): 84284284

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 41233, 82466, 164932, 288631, 577262, 1154524, 2927543, 5855086, 11710172, 20492801, 40985602, 81971204]

約数ペア:

[(1, 81971204), (2, 40985602), (4, 20492801), (7, 11710172), (14, 5855086), (28, 2927543), (71, 1154524), (142, 577262), (284, 288631), (497, 164932), (994, 82466), (1988, 41233)]