2180200316

素因数分解:

$2^2\times 7^2\times {\mathrm{11123471}}^1$

素因数の和:11123489

約数の個数: 18

約数和(自身を含む): 4438265328

約数和(自身を除く): 2258065012

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 11123471, 22246942, 44493884, 77864297, 155728594, 311457188, 545050079, 1090100158, 2180200316]

約数ペア:

[(1, 2180200316), (2, 1090100158), (4, 545050079), (7, 311457188), (14, 155728594), (28, 77864297), (49, 44493884), (98, 22246942), (196, 11123471)]