81880638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1949539}}^1$

素因数の和:1949551

約数の個数: 16

約数和(自身を含む): 187155840

約数和(自身を除く): 105275202

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1949539, 3899078, 5848617, 11697234, 13646773, 27293546, 40940319, 81880638]

約数ペア:

[(1, 81880638), (2, 40940319), (3, 27293546), (6, 13646773), (7, 11697234), (14, 5848617), (21, 3899078), (42, 1949539)]