278399982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{6628571}}^1$

素因数の和:6628583

約数の個数: 16

約数和(自身を含む): 636342912

約数和(自身を除く): 357942930

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 6628571, 13257142, 19885713, 39771426, 46399997, 92799994, 139199991, 278399982]

約数ペア:

[(1, 278399982), (2, 139199991), (3, 92799994), (6, 46399997), (7, 39771426), (14, 19885713), (21, 13257142), (42, 6628571)]