397934992

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{811}}^1$

素因数の和:1176

約数の個数: 80

約数和(自身を含む): 952911232

約数和(自身を除く): 554976240

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 337, 364, 674, 728, 811, 1348, 1456, 1622, 2359, 2696, 3244, 4381, 4718, 5392, 5677, 6488, 8762, 9436, 10543, 11354, 12976, 17524, 18872, 21086, 22708, 30667, 35048, 37744, 42172, 45416, 61334, 70096, 73801, 84344, 90832, 122668, 147602, 168688, 245336, 273307, 295204, 490672, 546614, 590408, 1093228, 1180816, 1913149, 2186456, 3552991, 3826298, 4372912, 7105982, 7652596, 14211964, 15305192, 24870937, 28423928, 30610384, 49741874, 56847856, 99483748, 198967496, 397934992]

約数ペア:

[(1, 397934992), (2, 198967496), (4, 99483748), (7, 56847856), (8, 49741874), (13, 30610384), (14, 28423928), (16, 24870937), (26, 15305192), (28, 14211964), (52, 7652596), (56, 7105982), (91, 4372912), (104, 3826298), (112, 3552991), (182, 2186456), (208, 1913149), (337, 1180816), (364, 1093228), (674, 590408), (728, 546614), (811, 490672), (1348, 295204), (1456, 273307), (1622, 245336), (2359, 168688), (2696, 147602), (3244, 122668), (4381, 90832), (4718, 84344), (5392, 73801), (5677, 70096), (6488, 61334), (8762, 45416), (9436, 42172), (10543, 37744), (11354, 35048), (12976, 30667), (17524, 22708), (18872, 21086)]