990170608

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{384383}}^1$

素因数の和:384421

約数の個数: 40

約数和(自身を含む): 2287853568

約数和(自身を除く): 1297682960

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 384383, 768766, 1537532, 2690681, 3075064, 5381362, 6150128, 8840809, 10762724, 17681618, 21525448, 35363236, 43050896, 61885663, 70726472, 123771326, 141452944, 247542652, 495085304, 990170608]

約数ペア:

[(1, 990170608), (2, 495085304), (4, 247542652), (7, 141452944), (8, 123771326), (14, 70726472), (16, 61885663), (23, 43050896), (28, 35363236), (46, 21525448), (56, 17681618), (92, 10762724), (112, 8840809), (161, 6150128), (184, 5381362), (322, 3075064), (368, 2690681), (644, 1537532), (1288, 768766), (2576, 384383)]