217156738

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{14251}}^1$

素因数の和:14673

約数の個数: 16

約数和(自身を含む): 343758240

約数和(自身を除く): 126601502

約数列:

[1, 2, 19, 38, 401, 802, 7619, 14251, 15238, 28502, 270769, 541538, 5714651, 11429302, 108578369, 217156738]

約数ペア:

[(1, 217156738), (2, 108578369), (19, 11429302), (38, 5714651), (401, 541538), (802, 270769), (7619, 28502), (14251, 15238)]