12991914

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:257

約数の個数: 80

約数和(自身を含む): 32524800

約数和(自身を除く): 19532886

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 54, 62, 78, 81, 93, 117, 162, 186, 199, 234, 279, 351, 398, 403, 558, 597, 702, 806, 837, 1053, 1194, 1209, 1674, 1791, 2106, 2418, 2511, 2587, 3582, 3627, 5022, 5174, 5373, 6169, 7254, 7761, 10746, 10881, 12338, 15522, 16119, 18507, 21762, 23283, 32238, 32643, 37014, 46566, 55521, 65286, 69849, 80197, 111042, 139698, 160394, 166563, 209547, 240591, 333126, 419094, 481182, 499689, 721773, 999378, 1443546, 2165319, 4330638, 6495957, 12991914]

約数ペア:

[(1, 12991914), (2, 6495957), (3, 4330638), (6, 2165319), (9, 1443546), (13, 999378), (18, 721773), (26, 499689), (27, 481182), (31, 419094), (39, 333126), (54, 240591), (62, 209547), (78, 166563), (81, 160394), (93, 139698), (117, 111042), (162, 80197), (186, 69849), (199, 65286), (234, 55521), (279, 46566), (351, 37014), (398, 32643), (403, 32238), (558, 23283), (597, 21762), (702, 18507), (806, 16119), (837, 15522), (1053, 12338), (1194, 10881), (1209, 10746), (1674, 7761), (1791, 7254), (2106, 6169), (2418, 5373), (2511, 5174), (2587, 5022), (3582, 3627)]