256596265

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 327444480

約数和(自身を除く): 70848215

約数列:

[1, 5, 43, 47, 67, 215, 235, 335, 379, 1895, 2021, 2881, 3149, 10105, 14405, 15745, 16297, 17813, 25393, 81485, 89065, 126965, 135407, 677035, 765959, 1091899, 1193471, 3829795, 5459495, 5967355, 51319253, 256596265]

約数ペア:

[(1, 256596265), (5, 51319253), (43, 5967355), (47, 5459495), (67, 3829795), (215, 1193471), (235, 1091899), (335, 765959), (379, 677035), (1895, 135407), (2021, 126965), (2881, 89065), (3149, 81485), (10105, 25393), (14405, 17813), (15745, 16297)]