78227716

素因数分解:

$2^2\times 7^2\times {\mathrm{257}}^1\times {\mathrm{1553}}^1$

素因数の和:1828

約数の個数: 36

約数和(自身を含む): 159971868

約数和(自身を除く): 81744152

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 257, 514, 1028, 1553, 1799, 3106, 3598, 6212, 7196, 10871, 12593, 21742, 25186, 43484, 50372, 76097, 152194, 304388, 399121, 798242, 1596484, 2793847, 5587694, 11175388, 19556929, 39113858, 78227716]

約数ペア:

[(1, 78227716), (2, 39113858), (4, 19556929), (7, 11175388), (14, 5587694), (28, 2793847), (49, 1596484), (98, 798242), (196, 399121), (257, 304388), (514, 152194), (1028, 76097), (1553, 50372), (1799, 43484), (3106, 25186), (3598, 21742), (6212, 12593), (7196, 10871)]