1285202984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{25799}}^1$

素因数の和:26297

約数の個数: 32

約数和(自身を含む): 2600640000

約数和(自身を除く): 1315437016

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 479, 958, 1916, 3832, 6227, 12454, 24908, 25799, 49816, 51598, 103196, 206392, 335387, 670774, 1341548, 2683096, 12357721, 24715442, 49430884, 98861768, 160650373, 321300746, 642601492, 1285202984]

約数ペア:

[(1, 1285202984), (2, 642601492), (4, 321300746), (8, 160650373), (13, 98861768), (26, 49430884), (52, 24715442), (104, 12357721), (479, 2683096), (958, 1341548), (1916, 670774), (3832, 335387), (6227, 206392), (12454, 103196), (24908, 51598), (25799, 49816)]