128342288

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{49211}}^1$

素因数の和:49382

約数の個数: 20

約数和(自身を含む): 250193808

約数和(自身を除く): 121851520

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 49211, 98422, 196844, 393688, 787376, 8021393, 16042786, 32085572, 64171144, 128342288]

約数ペア:

[(1, 128342288), (2, 64171144), (4, 32085572), (8, 16042786), (16, 8021393), (163, 787376), (326, 393688), (652, 196844), (1304, 98422), (2608, 49211)]