27438878

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{1109}}^1$

素因数の和:1339

約数の個数: 16

約数和(自身を含む): 41958000

約数和(自身を除く): 14519122

約数列:

[1, 2, 89, 139, 178, 278, 1109, 2218, 12371, 24742, 98701, 154151, 197402, 308302, 13719439, 27438878]

約数ペア:

[(1, 27438878), (2, 13719439), (89, 308302), (139, 197402), (178, 154151), (278, 98701), (1109, 24742), (2218, 12371)]