78039668

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{64817}}^1$

素因数の和:64871

約数の個数: 24

約数和(自身を含む): 159711552

約数和(自身を除く): 81671884

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 64817, 129634, 259268, 453719, 907438, 1814876, 2787131, 5574262, 11148524, 19509917, 39019834, 78039668]

約数ペア:

[(1, 78039668), (2, 39019834), (4, 19509917), (7, 11148524), (14, 5574262), (28, 2787131), (43, 1814876), (86, 907438), (172, 453719), (301, 259268), (602, 129634), (1204, 64817)]