77952868

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20029}}^1$

素因数の和:20179

約数の個数: 24

約数和(自身を含む): 157035200

約数和(自身を除く): 79082332

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 20029, 40058, 80116, 140203, 280406, 560812, 2784031, 5568062, 11136124, 19488217, 38976434, 77952868]

約数ペア:

[(1, 77952868), (2, 38976434), (4, 19488217), (7, 11136124), (14, 5568062), (28, 2784031), (139, 560812), (278, 280406), (556, 140203), (973, 80116), (1946, 40058), (3892, 20029)]