207974221

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{25679}}^1$

素因数の和:25788

約数の個数: 16

約数和(自身を含む): 258854400

約数和(自身を除く): 50880179

約数列:

[1, 7, 13, 89, 91, 623, 1157, 8099, 25679, 179753, 333827, 2285431, 2336789, 15998017, 29710603, 207974221]

約数ペア:

[(1, 207974221), (7, 29710603), (13, 15998017), (89, 2336789), (91, 2285431), (623, 333827), (1157, 179753), (8099, 25679)]