28396438

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{15971}}^1$

素因数の和:16107

約数の個数: 16

約数和(自身を含む): 49065984

約数和(自身を除く): 20669546

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 15971, 31942, 111797, 223594, 2028317, 4056634, 14198219, 28396438]

約数ペア:

[(1, 28396438), (2, 14198219), (7, 4056634), (14, 2028317), (127, 223594), (254, 111797), (889, 31942), (1778, 15971)]