231519808

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{278269}}^1$

素因数の和:278294

約数の個数: 28

約数和(自身を含む): 494764060

約数和(自身を除く): 263244252

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 278269, 556538, 1113076, 2226152, 3617497, 4452304, 7234994, 8904608, 14469988, 17809216, 28939976, 57879952, 115759904, 231519808]

約数ペア:

[(1, 231519808), (2, 115759904), (4, 57879952), (8, 28939976), (13, 17809216), (16, 14469988), (26, 8904608), (32, 7234994), (52, 4452304), (64, 3617497), (104, 2226152), (208, 1113076), (416, 556538), (832, 278269)]