128904496

素因数分解:

$2^4\times 7^2\times {\mathrm{164419}}^1$

素因数の和:164441

約数の個数: 30

約数和(自身を含む): 290530140

約数和(自身を除く): 161625644

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 164419, 328838, 657676, 1150933, 1315352, 2301866, 2630704, 4603732, 8056531, 9207464, 16113062, 18414928, 32226124, 64452248, 128904496]

約数ペア:

[(1, 128904496), (2, 64452248), (4, 32226124), (7, 18414928), (8, 16113062), (14, 9207464), (16, 8056531), (28, 4603732), (49, 2630704), (56, 2301866), (98, 1315352), (112, 1150933), (196, 657676), (392, 328838), (784, 164419)]