128960008

素因数分解:

$2^3\times {\mathrm{223}}^1\times {\mathrm{72287}}^1$

素因数の和:72516

約数の個数: 16

約数和(自身を含む): 242887680

約数和(自身を除く): 113927672

約数列:

[1, 2, 4, 8, 223, 446, 892, 1784, 72287, 144574, 289148, 578296, 16120001, 32240002, 64480004, 128960008]

約数ペア:

[(1, 128960008), (2, 64480004), (4, 32240002), (8, 16120001), (223, 578296), (446, 289148), (892, 144574), (1784, 72287)]