31279378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1871}}^1$

素因数の和:2529

約数の個数: 16

約数和(自身を含む): 50633856

約数和(自身を除く): 19354478

約数列:

[1, 2, 13, 26, 643, 1286, 1871, 3742, 8359, 16718, 24323, 48646, 1203053, 2406106, 15639689, 31279378]

約数ペア:

[(1, 31279378), (2, 15639689), (13, 2406106), (26, 1203053), (643, 48646), (1286, 24323), (1871, 16718), (3742, 8359)]