278364734

素因数分解:

$2^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1\times {\mathrm{1297}}^1$

素因数の和:1987

約数の個数: 16

約数和(自身を含む): 420552000

約数和(自身を除く): 142187266

約数列:

[1, 2, 239, 449, 478, 898, 1297, 2594, 107311, 214622, 309983, 582353, 619966, 1164706, 139182367, 278364734]

約数ペア:

[(1, 278364734), (2, 139182367), (239, 1164706), (449, 619966), (478, 582353), (898, 309983), (1297, 214622), (2594, 107311)]