81251196

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{520841}}^1$

素因数の和:520861

約数の個数: 24

約数和(自身を含む): 204170064

約数和(自身を除く): 122918868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 520841, 1041682, 1562523, 2083364, 3125046, 6250092, 6770933, 13541866, 20312799, 27083732, 40625598, 81251196]

約数ペア:

[(1, 81251196), (2, 40625598), (3, 27083732), (4, 20312799), (6, 13541866), (12, 6770933), (13, 6250092), (26, 3125046), (39, 2083364), (52, 1562523), (78, 1041682), (156, 520841)]