278166842

素因数分解:

$2^1\times {\mathrm{239}}^1\times {\mathrm{359}}^1\times {\mathrm{1621}}^1$

素因数の和:2221

約数の個数: 16

約数和(自身を含む): 420422400

約数和(自身を除く): 142255558

約数列:

[1, 2, 239, 359, 478, 718, 1621, 3242, 85801, 171602, 387419, 581939, 774838, 1163878, 139083421, 278166842]

約数ペア:

[(1, 278166842), (2, 139083421), (239, 1163878), (359, 774838), (478, 581939), (718, 387419), (1621, 171602), (3242, 85801)]