278877606

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{6639943}}^1$

素因数の和:6639955

約数の個数: 16

約数和(自身を含む): 637434624

約数和(自身を除く): 358557018

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 6639943, 13279886, 19919829, 39839658, 46479601, 92959202, 139438803, 278877606]

約数ペア:

[(1, 278877606), (2, 139438803), (3, 92959202), (6, 46479601), (7, 39839658), (14, 19919829), (21, 13279886), (42, 6639943)]