13212556

素因数分解:

$2^2\times 7^2\times {\mathrm{67411}}^1$

素因数の和:67429

約数の個数: 18

約数和(自身を含む): 26897388

約数和(自身を除く): 13684832

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 67411, 134822, 269644, 471877, 943754, 1887508, 3303139, 6606278, 13212556]

約数ペア:

[(1, 13212556), (2, 6606278), (4, 3303139), (7, 1887508), (14, 943754), (28, 471877), (49, 269644), (98, 134822), (196, 67411)]