128476912

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{12527}}^1$

素因数の和:13176

約数の個数: 20

約数和(自身を含む): 249332256

約数和(自身を除く): 120855344

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 12527, 25054, 50108, 100216, 200432, 8029807, 16059614, 32119228, 64238456, 128476912]

約数ペア:

[(1, 128476912), (2, 64238456), (4, 32119228), (8, 16059614), (16, 8029807), (641, 200432), (1282, 100216), (2564, 50108), (5128, 25054), (10256, 12527)]