71511188

素因数分解:

$2^2\times 7^2\times {\mathrm{364853}}^1$

素因数の和:364871

約数の個数: 18

約数和(自身を含む): 145576746

約数和(自身を除く): 74065558

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 364853, 729706, 1459412, 2553971, 5107942, 10215884, 17877797, 35755594, 71511188]

約数ペア:

[(1, 71511188), (2, 35755594), (4, 17877797), (7, 10215884), (14, 5107942), (28, 2553971), (49, 1459412), (98, 729706), (196, 364853)]