378398566

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1499}}^1$

素因数の和:1613

約数の個数: 64

約数和(自身を含む): 745920000

約数和(自身を除く): 367521434

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 73, 91, 133, 146, 182, 247, 266, 494, 511, 949, 1022, 1387, 1499, 1729, 1898, 2774, 2998, 3458, 6643, 9709, 10493, 13286, 18031, 19418, 19487, 20986, 28481, 36062, 38974, 56962, 109427, 126217, 136409, 199367, 218854, 252434, 272818, 370253, 398734, 740506, 765989, 1422551, 1531978, 2079113, 2591771, 2845102, 4158226, 5183542, 9957857, 14553791, 19915714, 27028469, 29107582, 54056938, 189199283, 378398566]

約数ペア:

[(1, 378398566), (2, 189199283), (7, 54056938), (13, 29107582), (14, 27028469), (19, 19915714), (26, 14553791), (38, 9957857), (73, 5183542), (91, 4158226), (133, 2845102), (146, 2591771), (182, 2079113), (247, 1531978), (266, 1422551), (494, 765989), (511, 740506), (949, 398734), (1022, 370253), (1387, 272818), (1499, 252434), (1729, 218854), (1898, 199367), (2774, 136409), (2998, 126217), (3458, 109427), (6643, 56962), (9709, 38974), (10493, 36062), (13286, 28481), (18031, 20986), (19418, 19487)]