1994958

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 5031936

約数和(自身を除く): 3036978

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 223, 426, 446, 497, 639, 669, 994, 1278, 1338, 1491, 1561, 2007, 2982, 3122, 4014, 4473, 4683, 8946, 9366, 14049, 15833, 28098, 31666, 47499, 94998, 110831, 142497, 221662, 284994, 332493, 664986, 997479, 1994958]

約数ペア:

[(1, 1994958), (2, 997479), (3, 664986), (6, 332493), (7, 284994), (9, 221662), (14, 142497), (18, 110831), (21, 94998), (42, 47499), (63, 31666), (71, 28098), (126, 15833), (142, 14049), (213, 9366), (223, 8946), (426, 4683), (446, 4473), (497, 4014), (639, 3122), (669, 2982), (994, 2007), (1278, 1561), (1338, 1491)]