86421290

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{128987}}^1$

素因数の和:129061

約数の個数: 16

約数和(自身を含む): 157881312

約数和(自身を除く): 71460022

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 128987, 257974, 644935, 1289870, 8642129, 17284258, 43210645, 86421290]

約数ペア:

[(1, 86421290), (2, 43210645), (5, 17284258), (10, 8642129), (67, 1289870), (134, 644935), (335, 257974), (670, 128987)]