15721286

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 28123200

約数和(自身を除く): 12401914

約数列:

[1, 2, 7, 14, 41, 61, 82, 122, 287, 427, 449, 574, 854, 898, 2501, 3143, 5002, 6286, 17507, 18409, 27389, 35014, 36818, 54778, 128863, 191723, 257726, 383446, 1122949, 2245898, 7860643, 15721286]

約数ペア:

[(1, 15721286), (2, 7860643), (7, 2245898), (14, 1122949), (41, 383446), (61, 257726), (82, 191723), (122, 128863), (287, 54778), (427, 36818), (449, 35014), (574, 27389), (854, 18409), (898, 17507), (2501, 6286), (3143, 5002)]