12907912

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 25027200

約数和(自身を除く): 12119288

約数列:

[1, 2, 4, 8, 43, 86, 157, 172, 239, 314, 344, 478, 628, 956, 1256, 1912, 6751, 10277, 13502, 20554, 27004, 37523, 41108, 54008, 75046, 82216, 150092, 300184, 1613489, 3226978, 6453956, 12907912]

約数ペア:

[(1, 12907912), (2, 6453956), (4, 3226978), (8, 1613489), (43, 300184), (86, 150092), (157, 82216), (172, 75046), (239, 54008), (314, 41108), (344, 37523), (478, 27004), (628, 20554), (956, 13502), (1256, 10277), (1912, 6751)]