407187824

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{194269}}^1$

素因数の和:194408

約数の個数: 20

約数和(自身を含む): 794952840

約数和(自身を除く): 387765016

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 194269, 388538, 777076, 1554152, 3108304, 25449239, 50898478, 101796956, 203593912, 407187824]

約数ペア:

[(1, 407187824), (2, 203593912), (4, 101796956), (8, 50898478), (16, 25449239), (131, 3108304), (262, 1554152), (524, 777076), (1048, 388538), (2096, 194269)]