870899042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{79943}}^1$

素因数の和:80377

約数の個数: 16

約数和(自身を含む): 1410212160

約数和(自身を除く): 539313118

約数列:

[1, 2, 13, 26, 419, 838, 5447, 10894, 79943, 159886, 1039259, 2078518, 33496117, 66992234, 435449521, 870899042]

約数ペア:

[(1, 870899042), (2, 435449521), (13, 66992234), (26, 33496117), (419, 2078518), (838, 1039259), (5447, 159886), (10894, 79943)]