1990644765

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1103}}^1\times {\mathrm{1523}}^1$

素因数の和:2713

約数の個数: 32

約数和(自身を含む): 3230392320

約数和(自身を除く): 1239747555

約数列:

[1, 3, 5, 15, 79, 237, 395, 1103, 1185, 1523, 3309, 4569, 5515, 7615, 16545, 22845, 87137, 120317, 261411, 360951, 435685, 601585, 1307055, 1679869, 1804755, 5039607, 8399345, 25198035, 132709651, 398128953, 663548255, 1990644765]

約数ペア:

[(1, 1990644765), (3, 663548255), (5, 398128953), (15, 132709651), (79, 25198035), (237, 8399345), (395, 5039607), (1103, 1804755), (1185, 1679869), (1523, 1307055), (3309, 601585), (4569, 435685), (5515, 360951), (7615, 261411), (16545, 120317), (22845, 87137)]