279619354

素因数分解:

$2^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{20443}}^1$

素因数の和:21429

約数の個数: 16

約数和(自身を含む): 479861568

約数和(自身を除く): 200242214

約数列:

[1, 2, 7, 14, 977, 1954, 6839, 13678, 20443, 40886, 143101, 286202, 19972811, 39945622, 139809677, 279619354]

約数ペア:

[(1, 279619354), (2, 139809677), (7, 39945622), (14, 19972811), (977, 286202), (1954, 143101), (6839, 40886), (13678, 20443)]