258532016

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{227581}}^1$

素因数の和:227660

約数の個数: 20

約数和(自身を含む): 507963024

約数和(自身を除く): 249431008

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 227581, 455162, 910324, 1820648, 3641296, 16158251, 32316502, 64633004, 129266008, 258532016]

約数ペア:

[(1, 258532016), (2, 129266008), (4, 64633004), (8, 32316502), (16, 16158251), (71, 3641296), (142, 1820648), (284, 910324), (568, 455162), (1136, 227581)]