28281564

素因数分解:

$2^2\times 3^2\times {\mathrm{349}}^1\times {\mathrm{2251}}^1$

素因数の和:2610

約数の個数: 36

約数和(自身を含む): 71726200

約数和(自身を除く): 43444636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 349, 698, 1047, 1396, 2094, 2251, 3141, 4188, 4502, 6282, 6753, 9004, 12564, 13506, 20259, 27012, 40518, 81036, 785599, 1571198, 2356797, 3142396, 4713594, 7070391, 9427188, 14140782, 28281564]

約数ペア:

[(1, 28281564), (2, 14140782), (3, 9427188), (4, 7070391), (6, 4713594), (9, 3142396), (12, 2356797), (18, 1571198), (36, 785599), (349, 81036), (698, 40518), (1047, 27012), (1396, 20259), (2094, 13506), (2251, 12564), (3141, 9004), (4188, 6753), (4502, 6282)]