1980996842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:891

約数の個数: 64

約数和(自身を含む): 3535488000

約数和(自身を除く): 1554491158

約数列:

[1, 2, 11, 17, 22, 34, 43, 86, 187, 199, 374, 398, 473, 619, 731, 946, 1238, 1462, 2189, 3383, 4378, 6766, 6809, 8041, 8557, 10523, 13618, 16082, 17114, 21046, 26617, 37213, 53234, 74426, 94127, 115753, 123181, 145469, 188254, 231506, 246362, 290938, 292787, 452489, 585574, 904978, 1354991, 1600159, 2094077, 2709982, 3200318, 4188154, 4977379, 5296783, 9954758, 10593566, 23034847, 46069694, 58264613, 90045311, 116529226, 180090622, 990498421, 1980996842]

約数ペア:

[(1, 1980996842), (2, 990498421), (11, 180090622), (17, 116529226), (22, 90045311), (34, 58264613), (43, 46069694), (86, 23034847), (187, 10593566), (199, 9954758), (374, 5296783), (398, 4977379), (473, 4188154), (619, 3200318), (731, 2709982), (946, 2094077), (1238, 1600159), (1462, 1354991), (2189, 904978), (3383, 585574), (4378, 452489), (6766, 292787), (6809, 290938), (8041, 246362), (8557, 231506), (10523, 188254), (13618, 145469), (16082, 123181), (17114, 115753), (21046, 94127), (26617, 74426), (37213, 53234)]