6971993

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 8778240

約数和(自身を除く): 1806247

約数列:

[1, 7, 19, 31, 89, 133, 217, 361, 589, 623, 1691, 2527, 2759, 4123, 11191, 11837, 19313, 32129, 52421, 78337, 224903, 366947, 995999, 6971993]

約数ペア:

[(1, 6971993), (7, 995999), (19, 366947), (31, 224903), (89, 78337), (133, 52421), (217, 32129), (361, 19313), (589, 11837), (623, 11191), (1691, 4123), (2527, 2759)]