1311952

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{491}}^1$

素因数の和:666

約数の個数: 20

約数和(自身を含む): 2562336

約数和(自身を除く): 1250384

約数列:

[1, 2, 4, 8, 16, 167, 334, 491, 668, 982, 1336, 1964, 2672, 3928, 7856, 81997, 163994, 327988, 655976, 1311952]

約数ペア:

[(1, 1311952), (2, 655976), (4, 327988), (8, 163994), (16, 81997), (167, 7856), (334, 3928), (491, 2672), (668, 1964), (982, 1336)]