81526318

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 130014720

約数和(自身を除く): 48488402

約数列:

[1, 2, 37, 59, 71, 74, 118, 142, 263, 526, 2183, 2627, 4189, 4366, 5254, 8378, 9731, 15517, 18673, 19462, 31034, 37346, 154993, 309986, 574129, 690901, 1101707, 1148258, 1381802, 2203414, 40763159, 81526318]

約数ペア:

[(1, 81526318), (2, 40763159), (37, 2203414), (59, 1381802), (71, 1148258), (74, 1101707), (118, 690901), (142, 574129), (263, 309986), (526, 154993), (2183, 37346), (2627, 31034), (4189, 19462), (4366, 18673), (5254, 15517), (8378, 9731)]