1638397911

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{9157}}^1$

素因数の和:9295

約数の個数: 32

約数和(自身を含む): 2385475840

約数和(自身を除く): 747077929

約数列:

[1, 3, 19, 43, 57, 73, 129, 219, 817, 1387, 2451, 3139, 4161, 9157, 9417, 27471, 59641, 173983, 178923, 393751, 521949, 668461, 1181253, 2005383, 7481269, 12700759, 22443807, 28743823, 38102277, 86231469, 546132637, 1638397911]

約数ペア:

[(1, 1638397911), (3, 546132637), (19, 86231469), (43, 38102277), (57, 28743823), (73, 22443807), (129, 12700759), (219, 7481269), (817, 2005383), (1387, 1181253), (2451, 668461), (3139, 521949), (4161, 393751), (9157, 178923), (9417, 173983), (27471, 59641)]