78840664

素因数分解:

$2^3\times 7^1\times {\mathrm{1407869}}^1$

素因数の和:1407882

約数の個数: 16

約数和(自身を含む): 168944400

約数和(自身を除く): 90103736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1407869, 2815738, 5631476, 9855083, 11262952, 19710166, 39420332, 78840664]

約数ペア:

[(1, 78840664), (2, 39420332), (4, 19710166), (7, 11262952), (8, 9855083), (14, 5631476), (28, 2815738), (56, 1407869)]