257831238

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{9041}}^1$

素因数の和:9157

約数の個数: 48

約数和(自身を含む): 606103344

約数和(自身を除く): 348272106

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 97, 98, 147, 194, 291, 294, 582, 679, 1358, 2037, 4074, 4753, 9041, 9506, 14259, 18082, 27123, 28518, 54246, 63287, 126574, 189861, 379722, 443009, 876977, 886018, 1329027, 1753954, 2630931, 2658054, 5261862, 6138839, 12277678, 18416517, 36833034, 42971873, 85943746, 128915619, 257831238]

約数ペア:

[(1, 257831238), (2, 128915619), (3, 85943746), (6, 42971873), (7, 36833034), (14, 18416517), (21, 12277678), (42, 6138839), (49, 5261862), (97, 2658054), (98, 2630931), (147, 1753954), (194, 1329027), (291, 886018), (294, 876977), (582, 443009), (679, 379722), (1358, 189861), (2037, 126574), (4074, 63287), (4753, 54246), (9041, 28518), (9506, 27123), (14259, 18082)]