280889938

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{6659}}^1$

素因数の和:6822

約数の個数: 32

約数和(自身を含む): 506373120

約数和(自身を除く): 225483182

約数列:

[1, 2, 7, 14, 23, 46, 131, 161, 262, 322, 917, 1834, 3013, 6026, 6659, 13318, 21091, 42182, 46613, 93226, 153157, 306314, 872329, 1072099, 1744658, 2144198, 6106303, 12212606, 20063567, 40127134, 140444969, 280889938]

約数ペア:

[(1, 280889938), (2, 140444969), (7, 40127134), (14, 20063567), (23, 12212606), (46, 6106303), (131, 2144198), (161, 1744658), (262, 1072099), (322, 872329), (917, 306314), (1834, 153157), (3013, 93226), (6026, 46613), (6659, 42182), (13318, 21091)]