291513170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1\times {\mathrm{953}}^1$

素因数の和:1167

約数の個数: 48

約数和(自身を含む): 571930632

約数和(自身を除く): 280417462

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 181, 338, 362, 845, 905, 953, 1690, 1810, 1906, 2353, 4706, 4765, 9530, 11765, 12389, 23530, 24778, 30589, 61178, 61945, 123890, 152945, 161057, 172493, 305890, 322114, 344986, 805285, 862465, 1610570, 1724930, 2242409, 4484818, 11212045, 22424090, 29151317, 58302634, 145756585, 291513170]

約数ペア:

[(1, 291513170), (2, 145756585), (5, 58302634), (10, 29151317), (13, 22424090), (26, 11212045), (65, 4484818), (130, 2242409), (169, 1724930), (181, 1610570), (338, 862465), (362, 805285), (845, 344986), (905, 322114), (953, 305890), (1690, 172493), (1810, 161057), (1906, 152945), (2353, 123890), (4706, 61945), (4765, 61178), (9530, 30589), (11765, 24778), (12389, 23530)]