404175026

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{20477}}^1$

素因数の和:20689

約数の個数: 16

約数和(自身を含む): 619254720

約数和(自身を除く): 215079694

約数列:

[1, 2, 71, 139, 142, 278, 9869, 19738, 20477, 40954, 1453867, 2846303, 2907734, 5692606, 202087513, 404175026]

約数ペア:

[(1, 404175026), (2, 202087513), (71, 5692606), (139, 2907734), (142, 2846303), (278, 1453867), (9869, 40954), (19738, 20477)]