68739328

素因数分解:

$2^8\times 7^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 158941440

約数和(自身を除く): 90202112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 224, 256, 356, 431, 448, 623, 712, 862, 896, 1246, 1424, 1724, 1792, 2492, 2848, 3017, 3448, 4984, 5696, 6034, 6896, 9968, 11392, 12068, 13792, 19936, 22784, 24136, 27584, 38359, 39872, 48272, 55168, 76718, 79744, 96544, 110336, 153436, 159488, 193088, 268513, 306872, 386176, 537026, 613744, 772352, 1074052, 1227488, 2148104, 2454976, 4296208, 4909952, 8592416, 9819904, 17184832, 34369664, 68739328]

約数ペア:

[(1, 68739328), (2, 34369664), (4, 17184832), (7, 9819904), (8, 8592416), (14, 4909952), (16, 4296208), (28, 2454976), (32, 2148104), (56, 1227488), (64, 1074052), (89, 772352), (112, 613744), (128, 537026), (178, 386176), (224, 306872), (256, 268513), (356, 193088), (431, 159488), (448, 153436), (623, 110336), (712, 96544), (862, 79744), (896, 76718), (1246, 55168), (1424, 48272), (1724, 39872), (1792, 38359), (2492, 27584), (2848, 24136), (3017, 22784), (3448, 19936), (4984, 13792), (5696, 12068), (6034, 11392), (6896, 9968)]