280052878

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{487897}}^1$

素因数の和:487947

約数の個数: 16

約数和(自身を含む): 491801184

約数和(自身を除く): 211748306

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 487897, 975794, 3415279, 6830558, 20003777, 40007554, 140026439, 280052878]

約数ペア:

[(1, 280052878), (2, 140026439), (7, 40007554), (14, 20003777), (41, 6830558), (82, 3415279), (287, 975794), (574, 487897)]