12540451

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 16708608

約数和(自身を除く): 4168157

約数列:

[1, 7, 11, 23, 73, 77, 97, 161, 253, 511, 679, 803, 1067, 1679, 1771, 2231, 5621, 7081, 7469, 11753, 15617, 18469, 24541, 49567, 77891, 129283, 162863, 171787, 545237, 1140041, 1791493, 12540451]

約数ペア:

[(1, 12540451), (7, 1791493), (11, 1140041), (23, 545237), (73, 171787), (77, 162863), (97, 129283), (161, 77891), (253, 49567), (511, 24541), (679, 18469), (803, 15617), (1067, 11753), (1679, 7469), (1771, 7081), (2231, 5621)]