12821978540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{91585561}}^1$

素因数の和:91585577

約数の個数: 24

約数和(自身を含む): 30772748832

約数和(自身を除く): 17950770292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 91585561, 183171122, 366342244, 457927805, 641098927, 915855610, 1282197854, 1831711220, 2564395708, 3205494635, 6410989270, 12821978540]

約数ペア:

[(1, 12821978540), (2, 6410989270), (4, 3205494635), (5, 2564395708), (7, 1831711220), (10, 1282197854), (14, 915855610), (20, 641098927), (28, 457927805), (35, 366342244), (70, 183171122), (140, 91585561)]