218905638

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{10487}}^1$

素因数の和:10577

約数の個数: 48

約数和(自身を含む): 516513024

約数和(自身を除く): 297607386

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 71, 98, 142, 147, 213, 294, 426, 497, 994, 1491, 2982, 3479, 6958, 10437, 10487, 20874, 20974, 31461, 62922, 73409, 146818, 220227, 440454, 513863, 744577, 1027726, 1489154, 1541589, 2233731, 3083178, 4467462, 5212039, 10424078, 15636117, 31272234, 36484273, 72968546, 109452819, 218905638]

約数ペア:

[(1, 218905638), (2, 109452819), (3, 72968546), (6, 36484273), (7, 31272234), (14, 15636117), (21, 10424078), (42, 5212039), (49, 4467462), (71, 3083178), (98, 2233731), (142, 1541589), (147, 1489154), (213, 1027726), (294, 744577), (426, 513863), (497, 440454), (994, 220227), (1491, 146818), (2982, 73409), (3479, 62922), (6958, 31461), (10437, 20974), (10487, 20874)]