215519438

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{372871}}^1$

素因数の和:372907

約数の個数: 12

約数和(自身を含む): 343415112

約数和(自身を除く): 127895674

約数列:

[1, 2, 17, 34, 289, 578, 372871, 745742, 6338807, 12677614, 107759719, 215519438]

約数ペア:

[(1, 215519438), (2, 107759719), (17, 12677614), (34, 6338807), (289, 745742), (578, 372871)]