128486884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{17659}}^1$

素因数の和:17787

約数の個数: 24

約数和(自身を含む): 240317280

約数和(自身を除く): 111830396

約数列:

[1, 2, 4, 17, 34, 68, 107, 214, 428, 1819, 3638, 7276, 17659, 35318, 70636, 300203, 600406, 1200812, 1889513, 3779026, 7558052, 32121721, 64243442, 128486884]

約数ペア:

[(1, 128486884), (2, 64243442), (4, 32121721), (17, 7558052), (34, 3779026), (68, 1889513), (107, 1200812), (214, 600406), (428, 300203), (1819, 70636), (3638, 35318), (7276, 17659)]