1987986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 5354496

約数和(自身を除く): 3366510

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 77, 78, 91, 143, 154, 182, 231, 273, 286, 331, 429, 462, 546, 662, 858, 993, 1001, 1986, 2002, 2317, 3003, 3641, 4303, 4634, 6006, 6951, 7282, 8606, 10923, 12909, 13902, 21846, 25487, 25818, 30121, 47333, 50974, 60242, 76461, 90363, 94666, 141999, 152922, 180726, 283998, 331331, 662662, 993993, 1987986]

約数ペア:

[(1, 1987986), (2, 993993), (3, 662662), (6, 331331), (7, 283998), (11, 180726), (13, 152922), (14, 141999), (21, 94666), (22, 90363), (26, 76461), (33, 60242), (39, 50974), (42, 47333), (66, 30121), (77, 25818), (78, 25487), (91, 21846), (143, 13902), (154, 12909), (182, 10923), (231, 8606), (273, 7282), (286, 6951), (331, 6006), (429, 4634), (462, 4303), (546, 3641), (662, 3003), (858, 2317), (993, 2002), (1001, 1986)]