131420928

素因数分解:

$2^8\times 3^1\times {\mathrm{211}}^1\times {\mathrm{811}}^1$

素因数の和:1041

約数の個数: 72

約数和(自身を含む): 351862336

約数和(自身を除く): 220441408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 211, 256, 384, 422, 633, 768, 811, 844, 1266, 1622, 1688, 2433, 2532, 3244, 3376, 4866, 5064, 6488, 6752, 9732, 10128, 12976, 13504, 19464, 20256, 25952, 27008, 38928, 40512, 51904, 54016, 77856, 81024, 103808, 155712, 162048, 171121, 207616, 311424, 342242, 513363, 622848, 684484, 1026726, 1368968, 2053452, 2737936, 4106904, 5475872, 8213808, 10951744, 16427616, 21903488, 32855232, 43806976, 65710464, 131420928]

約数ペア:

[(1, 131420928), (2, 65710464), (3, 43806976), (4, 32855232), (6, 21903488), (8, 16427616), (12, 10951744), (16, 8213808), (24, 5475872), (32, 4106904), (48, 2737936), (64, 2053452), (96, 1368968), (128, 1026726), (192, 684484), (211, 622848), (256, 513363), (384, 342242), (422, 311424), (633, 207616), (768, 171121), (811, 162048), (844, 155712), (1266, 103808), (1622, 81024), (1688, 77856), (2433, 54016), (2532, 51904), (3244, 40512), (3376, 38928), (4866, 27008), (5064, 25952), (6488, 20256), (6752, 19464), (9732, 13504), (10128, 12976)]