217435519

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1\times {\mathrm{1303}}^1$

素因数の和:2110

約数の個数: 16

約数和(自身を含む): 257044480

約数和(自身を除く): 39608961

約数列:

[1, 7, 31, 217, 769, 1303, 5383, 9121, 23839, 40393, 166873, 282751, 1002007, 7014049, 31062217, 217435519]

約数ペア:

[(1, 217435519), (7, 31062217), (31, 7014049), (217, 1002007), (769, 282751), (1303, 166873), (5383, 40393), (9121, 23839)]