81739656

素因数分解:

$2^3\times 3^2\times {\mathrm{251}}^1\times {\mathrm{4523}}^1$

素因数の和:4786

約数の個数: 48

約数和(自身を含む): 222309360

約数和(自身を除く): 140569704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 251, 502, 753, 1004, 1506, 2008, 2259, 3012, 4518, 4523, 6024, 9036, 9046, 13569, 18072, 18092, 27138, 36184, 40707, 54276, 81414, 108552, 162828, 325656, 1135273, 2270546, 3405819, 4541092, 6811638, 9082184, 10217457, 13623276, 20434914, 27246552, 40869828, 81739656]

約数ペア:

[(1, 81739656), (2, 40869828), (3, 27246552), (4, 20434914), (6, 13623276), (8, 10217457), (9, 9082184), (12, 6811638), (18, 4541092), (24, 3405819), (36, 2270546), (72, 1135273), (251, 325656), (502, 162828), (753, 108552), (1004, 81414), (1506, 54276), (2008, 40707), (2259, 36184), (3012, 27138), (4518, 18092), (4523, 18072), (6024, 13569), (9036, 9046)]