213440612

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{863}}^1$

素因数の和:969

約数の個数: 72

約数和(自身を含む): 476195328

約数和(自身を除く): 262754716

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 73, 77, 121, 146, 154, 242, 292, 308, 484, 511, 803, 847, 863, 1022, 1606, 1694, 1726, 2044, 3212, 3388, 3452, 5621, 6041, 8833, 9493, 11242, 12082, 17666, 18986, 22484, 24164, 35332, 37972, 61831, 62999, 66451, 104423, 123662, 125998, 132902, 208846, 247324, 251996, 265804, 417692, 440993, 692989, 730961, 881986, 1385978, 1461922, 1763972, 2771956, 2923844, 4850923, 7622879, 9701846, 15245758, 19403692, 30491516, 53360153, 106720306, 213440612]

約数ペア:

[(1, 213440612), (2, 106720306), (4, 53360153), (7, 30491516), (11, 19403692), (14, 15245758), (22, 9701846), (28, 7622879), (44, 4850923), (73, 2923844), (77, 2771956), (121, 1763972), (146, 1461922), (154, 1385978), (242, 881986), (292, 730961), (308, 692989), (484, 440993), (511, 417692), (803, 265804), (847, 251996), (863, 247324), (1022, 208846), (1606, 132902), (1694, 125998), (1726, 123662), (2044, 104423), (3212, 66451), (3388, 62999), (3452, 61831), (5621, 37972), (6041, 35332), (8833, 24164), (9493, 22484), (11242, 18986), (12082, 17666)]