1638091

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 2064384

約数和(自身を除く): 426293

約数列:

[1, 7, 13, 47, 91, 329, 383, 611, 2681, 4277, 4979, 18001, 34853, 126007, 234013, 1638091]

約数ペア:

[(1, 1638091), (7, 234013), (13, 126007), (47, 34853), (91, 18001), (329, 4979), (383, 4277), (611, 2681)]