890228872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{79999}}^1$

素因数の和:80125

約数の個数: 32

約数和(自身を含む): 1814400000

約数和(自身を除く): 924171128

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 107, 214, 428, 856, 1391, 2782, 5564, 11128, 79999, 159998, 319996, 639992, 1039987, 2079974, 4159948, 8319896, 8559893, 17119786, 34239572, 68479144, 111278609, 222557218, 445114436, 890228872]

約数ペア:

[(1, 890228872), (2, 445114436), (4, 222557218), (8, 111278609), (13, 68479144), (26, 34239572), (52, 17119786), (104, 8559893), (107, 8319896), (214, 4159948), (428, 2079974), (856, 1039987), (1391, 639992), (2782, 319996), (5564, 159998), (11128, 79999)]