129185728

素因数分解:

$2^6\times 7^1\times {\mathrm{288361}}^1$

素因数の和:288380

約数の個数: 28

約数和(自身を含む): 292975792

約数和(自身を除く): 163790064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 288361, 576722, 1153444, 2018527, 2306888, 4037054, 4613776, 8074108, 9227552, 16148216, 18455104, 32296432, 64592864, 129185728]

約数ペア:

[(1, 129185728), (2, 64592864), (4, 32296432), (7, 18455104), (8, 16148216), (14, 9227552), (16, 8074108), (28, 4613776), (32, 4037054), (56, 2306888), (64, 2018527), (112, 1153444), (224, 576722), (448, 288361)]