25359812

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{647}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 45722880

約数和(自身を除く): 20363068

約数列:

[1, 2, 4, 41, 82, 164, 239, 478, 647, 956, 1294, 2588, 9799, 19598, 26527, 39196, 53054, 106108, 154633, 309266, 618532, 6339953, 12679906, 25359812]

約数ペア:

[(1, 25359812), (2, 12679906), (4, 6339953), (41, 618532), (82, 309266), (164, 154633), (239, 106108), (478, 53054), (647, 39196), (956, 26527), (1294, 19598), (2588, 9799)]