264953275

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{258491}}^1$

素因数の和:258542

約数の個数: 12

約数和(自身を含む): 336556584

約数和(自身を除く): 71603309

約数列:

[1, 5, 25, 41, 205, 1025, 258491, 1292455, 6462275, 10598131, 52990655, 264953275]

約数ペア:

[(1, 264953275), (5, 52990655), (25, 10598131), (41, 6462275), (205, 1292455), (1025, 258491)]