307328

素因数分解:

$2^7\times 7^4$

素因数の和:42

約数の個数: 40

約数和(自身を含む): 714255

約数和(自身を除く): 406927

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 343, 392, 448, 686, 784, 896, 1372, 1568, 2401, 2744, 3136, 4802, 5488, 6272, 9604, 10976, 19208, 21952, 38416, 43904, 76832, 153664, 307328]

約数ペア:

[(1, 307328), (2, 153664), (4, 76832), (7, 43904), (8, 38416), (14, 21952), (16, 19208), (28, 10976), (32, 9604), (49, 6272), (56, 5488), (64, 4802), (98, 3136), (112, 2744), (128, 2401), (196, 1568), (224, 1372), (343, 896), (392, 784), (448, 686)]