2180087728

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1497313}}^1$

素因数の和:1497341

約数の個数: 40

約数和(自身を含む): 5198674208

約数和(自身を除く): 3018586480

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 1497313, 2994626, 5989252, 10481191, 11978504, 19465069, 20962382, 23957008, 38930138, 41924764, 77860276, 83849528, 136255483, 155720552, 167699056, 272510966, 311441104, 545021932, 1090043864, 2180087728]

約数ペア:

[(1, 2180087728), (2, 1090043864), (4, 545021932), (7, 311441104), (8, 272510966), (13, 167699056), (14, 155720552), (16, 136255483), (26, 83849528), (28, 77860276), (52, 41924764), (56, 38930138), (91, 23957008), (104, 20962382), (112, 19465069), (182, 11978504), (208, 10481191), (364, 5989252), (728, 2994626), (1456, 1497313)]