490625681

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{2011}}^1$

素因数の和:2421

約数の個数: 24

約数和(自身を含む): 616541184

約数和(自身を除く): 125915503

約数列:

[1, 7, 13, 49, 91, 383, 637, 2011, 2681, 4979, 14077, 18767, 26143, 34853, 98539, 183001, 243971, 770213, 1281007, 5391491, 10012769, 37740437, 70089383, 490625681]

約数ペア:

[(1, 490625681), (7, 70089383), (13, 37740437), (49, 10012769), (91, 5391491), (383, 1281007), (637, 770213), (2011, 243971), (2681, 183001), (4979, 98539), (14077, 34853), (18767, 26143)]