211749902

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2887}}^1$

素因数の和:2953

約数の個数: 48

約数和(自身を含む): 405891072

約数和(自身を除く): 194141170

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 169, 182, 217, 338, 403, 434, 806, 1183, 2366, 2821, 2887, 5239, 5642, 5774, 10478, 20209, 36673, 37531, 40418, 73346, 75062, 89497, 178994, 262717, 487903, 525434, 626479, 975806, 1163461, 1252958, 2326922, 3415321, 6830642, 8144227, 15124993, 16288454, 30249986, 105874951, 211749902]

約数ペア:

[(1, 211749902), (2, 105874951), (7, 30249986), (13, 16288454), (14, 15124993), (26, 8144227), (31, 6830642), (62, 3415321), (91, 2326922), (169, 1252958), (182, 1163461), (217, 975806), (338, 626479), (403, 525434), (434, 487903), (806, 262717), (1183, 178994), (2366, 89497), (2821, 75062), (2887, 73346), (5239, 40418), (5642, 37531), (5774, 36673), (10478, 20209)]