28678174

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{33581}}^1$

素因数の和:33651

約数の個数: 16

約数和(自身を含む): 49970016

約数和(自身を除く): 21291842

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 33581, 67162, 235067, 470134, 2048441, 4096882, 14339087, 28678174]

約数ペア:

[(1, 28678174), (2, 14339087), (7, 4096882), (14, 2048441), (61, 470134), (122, 235067), (427, 67162), (854, 33581)]