428222

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:271

約数の個数: 16

約数和(自身を含む): 691200

約数和(自身を除く): 262978

約数列:

[1, 2, 19, 38, 59, 118, 191, 382, 1121, 2242, 3629, 7258, 11269, 22538, 214111, 428222]

約数ペア:

[(1, 428222), (2, 214111), (19, 22538), (38, 11269), (59, 7258), (118, 3629), (191, 2242), (382, 1121)]