208260052

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{4001}}^1$

素因数の和:4049

約数の個数: 72

約数和(自身を含む): 492149952

約数和(自身を除く): 283889900

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 169, 182, 286, 308, 338, 364, 572, 676, 1001, 1183, 1859, 2002, 2366, 3718, 4001, 4004, 4732, 7436, 8002, 13013, 16004, 26026, 28007, 44011, 52013, 52052, 56014, 88022, 104026, 112028, 176044, 208052, 308077, 364091, 572143, 616154, 676169, 728182, 1144286, 1232308, 1352338, 1456364, 2288572, 2704676, 4005001, 4733183, 7437859, 8010002, 9466366, 14875718, 16020004, 18932732, 29751436, 52065013, 104130026, 208260052]

約数ペア:

[(1, 208260052), (2, 104130026), (4, 52065013), (7, 29751436), (11, 18932732), (13, 16020004), (14, 14875718), (22, 9466366), (26, 8010002), (28, 7437859), (44, 4733183), (52, 4005001), (77, 2704676), (91, 2288572), (143, 1456364), (154, 1352338), (169, 1232308), (182, 1144286), (286, 728182), (308, 676169), (338, 616154), (364, 572143), (572, 364091), (676, 308077), (1001, 208052), (1183, 176044), (1859, 112028), (2002, 104026), (2366, 88022), (3718, 56014), (4001, 52052), (4004, 52013), (4732, 44011), (7436, 28007), (8002, 26026), (13013, 16004)]