78641556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{1447}}^1$

素因数の和:2108

約数の個数: 48

約数和(自身を含む): 210180096

約数和(自身を除く): 131538540

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 647, 1294, 1447, 1941, 2588, 2894, 3882, 4341, 4529, 5788, 7764, 8682, 9058, 10129, 13587, 17364, 18116, 20258, 27174, 30387, 40516, 54348, 60774, 121548, 936209, 1872418, 2808627, 3744836, 5617254, 6553463, 11234508, 13106926, 19660389, 26213852, 39320778, 78641556]

約数ペア:

[(1, 78641556), (2, 39320778), (3, 26213852), (4, 19660389), (6, 13106926), (7, 11234508), (12, 6553463), (14, 5617254), (21, 3744836), (28, 2808627), (42, 1872418), (84, 936209), (647, 121548), (1294, 60774), (1447, 54348), (1941, 40516), (2588, 30387), (2894, 27174), (3882, 20258), (4341, 18116), (4529, 17364), (5788, 13587), (7764, 10129), (8682, 9058)]