219310658

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{681089}}^1$

素因数の和:681121

約数の個数: 16

約数和(自身を含む): 392307840

約数和(自身を除く): 172997182

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 681089, 1362178, 4767623, 9535246, 15665047, 31330094, 109655329, 219310658]

約数ペア:

[(1, 219310658), (2, 109655329), (7, 31330094), (14, 15665047), (23, 9535246), (46, 4767623), (161, 1362178), (322, 681089)]