421371854

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{25031}}^1$

素因数の和:25495

約数の個数: 16

約数和(自身を含む): 666852480

約数和(自身を除く): 245480626

約数列:

[1, 2, 19, 38, 443, 886, 8417, 16834, 25031, 50062, 475589, 951178, 11088733, 22177466, 210685927, 421371854]

約数ペア:

[(1, 421371854), (2, 210685927), (19, 22177466), (38, 11088733), (443, 951178), (886, 475589), (8417, 50062), (16834, 25031)]