1298557016

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{2521}}^1$

素因数の和:2656

約数の個数: 48

約数和(自身を含む): 2554432920

約数和(自身を除く): 1255875904

約数列:

[1, 2, 4, 8, 31, 62, 67, 124, 134, 248, 268, 536, 961, 1922, 2077, 2521, 3844, 4154, 5042, 7688, 8308, 10084, 16616, 20168, 64387, 78151, 128774, 156302, 168907, 257548, 312604, 337814, 515096, 625208, 675628, 1351256, 2422681, 4845362, 5236117, 9690724, 10472234, 19381448, 20944468, 41888936, 162319627, 324639254, 649278508, 1298557016]

約数ペア:

[(1, 1298557016), (2, 649278508), (4, 324639254), (8, 162319627), (31, 41888936), (62, 20944468), (67, 19381448), (124, 10472234), (134, 9690724), (248, 5236117), (268, 4845362), (536, 2422681), (961, 1351256), (1922, 675628), (2077, 625208), (2521, 515096), (3844, 337814), (4154, 312604), (5042, 257548), (7688, 168907), (8308, 156302), (10084, 128774), (16616, 78151), (20168, 64387)]