9781819112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{97}}^1\times {\mathrm{1009}}^1$

素因数の和:1187

約数の個数: 96

約数和(自身を含む): 20640299400

約数和(自身を除く): 10858480288

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 97, 104, 124, 194, 248, 388, 403, 776, 806, 961, 1009, 1261, 1612, 1922, 2018, 2522, 3007, 3224, 3844, 4036, 5044, 6014, 7688, 8072, 10088, 12028, 12493, 13117, 24056, 24986, 26234, 31279, 39091, 49972, 52468, 62558, 78182, 93217, 97873, 99944, 104936, 125116, 156364, 186434, 195746, 250232, 312728, 372868, 391492, 406627, 745736, 782984, 813254, 969649, 1211821, 1272349, 1626508, 1939298, 2423642, 2544698, 3034063, 3253016, 3878596, 4847284, 5089396, 6068126, 7757192, 9694568, 10178792, 12136252, 12605437, 24272504, 25210874, 39442819, 50421748, 78885638, 94055953, 100843496, 157771276, 188111906, 315542552, 376223812, 752447624, 1222727389, 2445454778, 4890909556, 9781819112]

約数ペア:

[(1, 9781819112), (2, 4890909556), (4, 2445454778), (8, 1222727389), (13, 752447624), (26, 376223812), (31, 315542552), (52, 188111906), (62, 157771276), (97, 100843496), (104, 94055953), (124, 78885638), (194, 50421748), (248, 39442819), (388, 25210874), (403, 24272504), (776, 12605437), (806, 12136252), (961, 10178792), (1009, 9694568), (1261, 7757192), (1612, 6068126), (1922, 5089396), (2018, 4847284), (2522, 3878596), (3007, 3253016), (3224, 3034063), (3844, 2544698), (4036, 2423642), (5044, 1939298), (6014, 1626508), (7688, 1272349), (8072, 1211821), (10088, 969649), (12028, 813254), (12493, 782984), (13117, 745736), (24056, 406627), (24986, 391492), (26234, 372868), (31279, 312728), (39091, 250232), (49972, 195746), (52468, 186434), (62558, 156364), (78182, 125116), (93217, 104936), (97873, 99944)]