81157232

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1619}}^1$

素因数の和:1881

約数の個数: 40

約数和(自身を含む): 170145360

約数和(自身を除く): 88988128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 241, 482, 964, 1619, 1928, 3133, 3238, 3856, 6266, 6476, 12532, 12952, 21047, 25064, 25904, 42094, 50128, 84188, 168376, 336752, 390179, 780358, 1560716, 3121432, 5072327, 6242864, 10144654, 20289308, 40578616, 81157232]

約数ペア:

[(1, 81157232), (2, 40578616), (4, 20289308), (8, 10144654), (13, 6242864), (16, 5072327), (26, 3121432), (52, 1560716), (104, 780358), (208, 390179), (241, 336752), (482, 168376), (964, 84188), (1619, 50128), (1928, 42094), (3133, 25904), (3238, 25064), (3856, 21047), (6266, 12952), (6476, 12532)]