39897808

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{57991}}^1$

素因数の和:58042

約数の個数: 20

約数和(自身を含む): 79101088

約数和(自身を除く): 39203280

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 57991, 115982, 231964, 463928, 927856, 2493613, 4987226, 9974452, 19948904, 39897808]

約数ペア:

[(1, 39897808), (2, 19948904), (4, 9974452), (8, 4987226), (16, 2493613), (43, 927856), (86, 463928), (172, 231964), (344, 115982), (688, 57991)]