87690470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1252721}}^1$

素因数の和:1252735

約数の個数: 16

約数和(自身を含む): 180391968

約数和(自身を除く): 92701498

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1252721, 2505442, 6263605, 8769047, 12527210, 17538094, 43845235, 87690470]

約数ペア:

[(1, 87690470), (2, 43845235), (5, 17538094), (7, 12527210), (10, 8769047), (14, 6263605), (35, 2505442), (70, 1252721)]