207138906

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:640

約数の個数: 72

約数和(自身を含む): 490311900

約数和(自身を除く): 283172994

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 149, 169, 234, 298, 338, 447, 457, 507, 894, 914, 1014, 1341, 1371, 1521, 1937, 2682, 2742, 3042, 3874, 4113, 5811, 5941, 8226, 11622, 11882, 17433, 17823, 25181, 34866, 35646, 50362, 53469, 68093, 75543, 77233, 106938, 136186, 151086, 154466, 204279, 226629, 231699, 408558, 453258, 463398, 612837, 695097, 885209, 1225674, 1390194, 1770418, 2655627, 5311254, 7966881, 11507717, 15933762, 23015434, 34523151, 69046302, 103569453, 207138906]

約数ペア:

[(1, 207138906), (2, 103569453), (3, 69046302), (6, 34523151), (9, 23015434), (13, 15933762), (18, 11507717), (26, 7966881), (39, 5311254), (78, 2655627), (117, 1770418), (149, 1390194), (169, 1225674), (234, 885209), (298, 695097), (338, 612837), (447, 463398), (457, 453258), (507, 408558), (894, 231699), (914, 226629), (1014, 204279), (1341, 154466), (1371, 151086), (1521, 136186), (1937, 106938), (2682, 77233), (2742, 75543), (3042, 68093), (3874, 53469), (4113, 50362), (5811, 35646), (5941, 34866), (8226, 25181), (11622, 17823), (11882, 17433)]