990495216004

素因数分解:

$2^2\times 7^1\times {\mathrm{60689}}^1\times {\mathrm{582887}}^1$

素因数の和:643587

約数の個数: 24

約数和(自身を含む): 1981026472320

約数和(自身を除く): 990531256316

約数列:

[1, 2, 4, 7, 14, 28, 60689, 121378, 242756, 424823, 582887, 849646, 1165774, 1699292, 2331548, 4080209, 8160418, 16320836, 35374829143, 70749658286, 141499316572, 247623804001, 495247608002, 990495216004]

約数ペア:

[(1, 990495216004), (2, 495247608002), (4, 247623804001), (7, 141499316572), (14, 70749658286), (28, 35374829143), (60689, 16320836), (121378, 8160418), (242756, 4080209), (424823, 2331548), (582887, 1699292), (849646, 1165774)]