663663966

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{385403}}^1$

素因数の和:385456

約数の個数: 32

約数和(自身を含む): 1553948928

約数和(自身を除く): 890284962

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 385403, 770806, 1156209, 2312418, 2697821, 5395642, 8093463, 15801523, 16186926, 31603046, 47404569, 94809138, 110610661, 221221322, 331831983, 663663966]

約数ペア:

[(1, 663663966), (2, 331831983), (3, 221221322), (6, 110610661), (7, 94809138), (14, 47404569), (21, 31603046), (41, 16186926), (42, 15801523), (82, 8093463), (123, 5395642), (246, 2697821), (287, 2312418), (574, 1156209), (861, 770806), (1722, 385403)]