728945032

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{863}}^1\times {\mathrm{5557}}^1$

素因数の和:6445

約数の個数: 32

約数和(自身を含む): 1440633600

約数和(自身を除く): 711688568

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 863, 1726, 3452, 5557, 6904, 11114, 16397, 22228, 32794, 44456, 65588, 105583, 131176, 211166, 422332, 844664, 4795691, 9591382, 19182764, 38365528, 91118129, 182236258, 364472516, 728945032]

約数ペア:

[(1, 728945032), (2, 364472516), (4, 182236258), (8, 91118129), (19, 38365528), (38, 19182764), (76, 9591382), (152, 4795691), (863, 844664), (1726, 422332), (3452, 211166), (5557, 131176), (6904, 105583), (11114, 65588), (16397, 44456), (22228, 32794)]