215540974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{17911}}^1$

素因数の和:18471

約数の個数: 16

約数和(自身を含む): 353367936

約数和(自身を除く): 137826962

約数列:

[1, 2, 11, 22, 547, 1094, 6017, 12034, 17911, 35822, 197021, 394042, 9797317, 19594634, 107770487, 215540974]

約数ペア:

[(1, 215540974), (2, 107770487), (11, 19594634), (22, 9797317), (547, 394042), (1094, 197021), (6017, 35822), (12034, 17911)]