261526824

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{21493}}^1$

素因数の和:21531

約数の個数: 72

約数和(自身を含む): 767013390

約数和(自身を除く): 505486566

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 2028, 3042, 4056, 6084, 12168, 21493, 42986, 64479, 85972, 128958, 171944, 193437, 257916, 279409, 386874, 515832, 558818, 773748, 838227, 1117636, 1547496, 1676454, 2235272, 2514681, 3352908, 3632317, 5029362, 6705816, 7264634, 10058724, 10896951, 14529268, 20117448, 21793902, 29058536, 32690853, 43587804, 65381706, 87175608, 130763412, 261526824]

約数ペア:

[(1, 261526824), (2, 130763412), (3, 87175608), (4, 65381706), (6, 43587804), (8, 32690853), (9, 29058536), (12, 21793902), (13, 20117448), (18, 14529268), (24, 10896951), (26, 10058724), (36, 7264634), (39, 6705816), (52, 5029362), (72, 3632317), (78, 3352908), (104, 2514681), (117, 2235272), (156, 1676454), (169, 1547496), (234, 1117636), (312, 838227), (338, 773748), (468, 558818), (507, 515832), (676, 386874), (936, 279409), (1014, 257916), (1352, 193437), (1521, 171944), (2028, 128958), (3042, 85972), (4056, 64479), (6084, 42986), (12168, 21493)]