219628717

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1669}}^1\times {\mathrm{1709}}^1$

素因数の和:3396

約数の個数: 16

約数和(自身を含む): 274147200

約数和(自身を除く): 54518483

約数列:

[1, 7, 11, 77, 1669, 1709, 11683, 11963, 18359, 18799, 128513, 131593, 2852321, 19966247, 31375531, 219628717]

約数ペア:

[(1, 219628717), (7, 31375531), (11, 19966247), (77, 2852321), (1669, 131593), (1709, 128513), (11683, 18799), (11963, 18359)]