2009081776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{224629}}^1$

素因数の和:224693

約数の個数: 40

約数和(自身を含む): 4289534480

約数和(自身を除く): 2280452704

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 224629, 449258, 898516, 1797032, 2920177, 3594064, 5840354, 9659047, 11680708, 19318094, 23361416, 38636188, 46722832, 77272376, 125567611, 154544752, 251135222, 502270444, 1004540888, 2009081776]

約数ペア:

[(1, 2009081776), (2, 1004540888), (4, 502270444), (8, 251135222), (13, 154544752), (16, 125567611), (26, 77272376), (43, 46722832), (52, 38636188), (86, 23361416), (104, 19318094), (172, 11680708), (208, 9659047), (344, 5840354), (559, 3594064), (688, 2920177), (1118, 1797032), (2236, 898516), (4472, 449258), (8944, 224629)]