668416

素因数分解:

$2^8\times 7^1\times {\mathrm{373}}^1$

素因数の和:396

約数の個数: 36

約数和(自身を含む): 1528912

約数和(自身を除く): 860496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 373, 448, 746, 896, 1492, 1792, 2611, 2984, 5222, 5968, 10444, 11936, 20888, 23872, 41776, 47744, 83552, 95488, 167104, 334208, 668416]

約数ペア:

[(1, 668416), (2, 334208), (4, 167104), (7, 95488), (8, 83552), (14, 47744), (16, 41776), (28, 23872), (32, 20888), (56, 11936), (64, 10444), (112, 5968), (128, 5222), (224, 2984), (256, 2611), (373, 1792), (448, 1492), (746, 896)]