213565568

素因数分解:

$2^7\times {\mathrm{1668481}}^1$

素因数の和:1668495

約数の個数: 16

約数和(自身を含む): 425462910

約数和(自身を除く): 211897342

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 1668481, 3336962, 6673924, 13347848, 26695696, 53391392, 106782784, 213565568]

約数ペア:

[(1, 213565568), (2, 106782784), (4, 53391392), (8, 26695696), (16, 13347848), (32, 6673924), (64, 3336962), (128, 1668481)]